1897296912162 has 64 divisors (see below), whose sum is σ = 4400633180160. Its totient is φ = 604783433232.

The previous prime is 1897296912143. The next prime is 1897296912229. The reversal of 1897296912162 is 2612196927981.

1897296912162 is a `hidden beast` number, since 18 + 97 + 296 + 91 + 2 + 162 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1897296912162.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4811863 + ... + 5191205.

It is an arithmetic number, because the mean of its divisors is an integer number (68759893440).

Almost surely, 2^{1897296912162} is an apocalyptic number.

1897296912162 is an abundant number, since it is smaller than the sum of its proper divisors (2503336267998).

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

1897296912162 is a wasteful number, since it uses less digits than its factorization.

1897296912162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383404 (or 383398 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 63.

The spelling of 1897296912162 in words is "one trillion, eight hundred ninety-seven billion, two hundred ninety-six million, nine hundred twelve thousand, one hundred sixty-two".