1370816660 has 48 divisors (see below), whose sum is σ = 2982994560. Its totient is φ = 528528000.

The previous prime is 1370816659. The next prime is 1370816677. The reversal of 1370816660 is 666180731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420035 + ... + 423285.

It is an arithmetic number, because the mean of its divisors is an integer number (62145720).

Almost surely, 2^1370816660 is an apocalyptic number.

1370816660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1370816660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1491497280).

1370816660 is an abundant number, since it is smaller than the sum of its proper divisors (1612177900).

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

1370816660 is a wasteful number, since it uses less digits than its factorization.

1370816660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016 (or 4014 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1370816660 is about 37024.5413205890. The cubic root of 1370816660 is about 1110.8611827272.

The spelling of 1370816660 in words is "one billion, three hundred seventy million, eight hundred sixteen thousand, six hundred sixty".