1674027120964 has 81 divisors (see below), whose sum is σ = 3367488698301. Its totient is φ = 727553233440.

The previous prime is 1674027120943. The next prime is 1674027120971. The reversal of 1674027120964 is 4690217204761.

It is a happy number.

The square root of 1674027120964 is 1293842.

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

It can be written as a sum of positive squares in only one way, i.e., 718341002500 + 955686118464 = 847550^2 + 977592^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 654682774 + ... + 654685330.

Almost surely, 2^{1674027120964} is an apocalyptic number.

1674027120964 is the 1293842-nd square number.

It is an amenable number.

1674027120964 is an abundant number, since it is smaller than the sum of its proper divisors (1693461577337).

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

1674027120964 is an equidigital number, since it uses as much as digits as its factorization.

1674027120964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186 (or 2593 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 49.

Multiplying 1674027120964 by its sum of digits (49), we get a square (82027328927236 = 9056894²).

The spelling of 1674027120964 in words is "one trillion, six hundred seventy-four billion, twenty-seven million, one hundred twenty thousand, nine hundred sixty-four".