15355455966 has 12 divisors (see below), whose sum is σ = 33270154632. Its totient is φ = 5118485316.

The previous prime is 15355455881. The next prime is 15355455977. The reversal of 15355455966 is 66955455351.

15355455966 is a `hidden beast` number, since 1 + 5 + 3 + 5 + 5 + 45 + 596 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 426540426 + ... + 426540461.

It is an arithmetic number, because the mean of its divisors is an integer number (2772512886).

Almost surely, 2^15355455966 is an apocalyptic number.

15355455966 is an abundant number, since it is smaller than the sum of its proper divisors (17914698666).

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

15355455966 is a wasteful number, since it uses less digits than its factorization.

15355455966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853080895 (or 853080892 counting only the distinct ones).

The product of its digits is 12150000, while the sum is 54.

The spelling of 15355455966 in words is "fifteen billion, three hundred fifty-five million, four hundred fifty-five thousand, nine hundred sixty-six".