120495313566 has 24 divisors (see below), whose sum is σ = 261696282120. Its totient is φ = 40069242576.

The previous prime is 120495313553. The next prime is 120495313583. The reversal of 120495313566 is 665313594021.

120495313566 is a `hidden beast` number, since 1 + 20 + 4 + 9 + 53 + 13 + 566 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7980745 + ... + 7995828.

It is an arithmetic number, because the mean of its divisors is an integer number (10904011755).

Almost surely, 2^120495313566 is an apocalyptic number.

120495313566 is an abundant number, since it is smaller than the sum of its proper divisors (141200968554).

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

120495313566 is a wasteful number, since it uses less digits than its factorization.

120495313566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15977000 (or 15976997 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The spelling of 120495313566 in words is "one hundred twenty billion, four hundred ninety-five million, three hundred thirteen thousand, five hundred sixty-six".