1690322415376 has 135 divisors (see below), whose sum is σ = 3880289480679. Its totient is φ = 711240634944.

The previous prime is 1690322415361. The next prime is 1690322415377. The reversal of 1690322415376 is 6735142230961.

The square root of 1690322415376 is 1300124.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1690322415377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2147804455 + ... + 2147805241.

Almost surely, 2^{1690322415376} is an apocalyptic number.

1690322415376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1690322415376 is the 1300124-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1690322415376

1690322415376 is an abundant number, since it is smaller than the sum of its proper divisors (2189967065303).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1690322415376 is an frugal number, since it uses more digits than its factorization.

1690322415376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 49.

Multiplying 1690322415376 by its sum of digits (49), we get a square (82825798353424 = 9100868²).

1690322415376 divided by its sum of digits (49) gives a square (34496375824 = 185732²).

The spelling of 1690322415376 in words is "one trillion, six hundred ninety billion, three hundred twenty-two million, four hundred fifteen thousand, three hundred seventy-six".