1075420921662 has 40 divisors (see below), whose sum is σ = 2411606509752. Its totient is φ = 358195899600.

The previous prime is 1075420921651. The next prime is 1075420921733. The reversal of 1075420921662 is 2661290245701.

1075420921662 is a `hidden beast` number, since 1 + 0 + 7 + 5 + 420 + 9 + 216 + 6 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2361889 + ... + 2780172.

Almost surely, 2^{1075420921662} is an apocalyptic number.

1075420921662 is an abundant number, since it is smaller than the sum of its proper divisors (1336185588090).

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

1075420921662 is a wasteful number, since it uses less digits than its factorization.

1075420921662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5143366 (or 5143357 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 1075420921662 in words is "one trillion, seventy-five billion, four hundred twenty million, nine hundred twenty-one thousand, six hundred sixty-two".