1654835251216 has 45 divisors (see below), whose sum is σ = 3729792776031. Its totient is φ = 709199670816.

The previous prime is 1654835251189. The next prime is 1654835251247. The reversal of 1654835251216 is 6121525384561.

The square root of 1654835251216 is 1286404.

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 self number, because there is not a number n which added to its sum of digits gives 1654835251216.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 35996341 + ... + 36042283.

Almost surely, 2^{1654835251216} is an apocalyptic number.

1654835251216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1654835251216 is the 1286404-th square number.

It is an amenable number.

1654835251216 is an abundant number, since it is smaller than the sum of its proper divisors (2074957524815).

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

1654835251216 is an frugal number, since it uses more digits than its factorization.

1654835251216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91908 (or 45952 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 49.

Multiplying 1654835251216 by its sum of digits (49), we get a square (81086927309584 = 9004828²).

1654835251216 divided by its sum of digits (49) gives a square (33772147984 = 183772²).

The spelling of 1654835251216 in words is "one trillion, six hundred fifty-four billion, eight hundred thirty-five million, two hundred fifty-one thousand, two hundred sixteen".