1374644514656 has 48 divisors (see below), whose sum is σ = 3102294585600. Its totient is φ = 587353472640.

The previous prime is 1374644514641. The next prime is 1374644514667. The reversal of 1374644514656 is 6564154464731.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9195956 + ... + 9344243.

It is an arithmetic number, because the mean of its divisors is an integer number (64631137200).

Almost surely, 2^{1374644514656} is an apocalyptic number.

1374644514656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1374644514656 is an abundant number, since it is smaller than the sum of its proper divisors (1727650070944).

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

1374644514656 is a wasteful number, since it uses less digits than its factorization.

1374644514656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18540547 (or 18540539 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 56.

The spelling of 1374644514656 in words is "one trillion, three hundred seventy-four billion, six hundred forty-four million, five hundred fourteen thousand, six hundred fifty-six".