565421762016 has 72 divisors (see below), whose sum is σ = 1702501570224. Its totient is φ = 177387217920.

The previous prime is 565421761981. The next prime is 565421762023. The reversal of 565421762016 is 610267124565.

565421762016 is a `hidden beast` number, since 5 + 6 + 5 + 4 + 2 + 1 + 7 + 620 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×565421762016² (a number of 24 digits) contains 22 as substring.

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, 57738340 + ... + 57748131.

It is an arithmetic number, because the mean of its divisors is an integer number (23645855142).

Almost surely, 2^565421762016 is an apocalyptic number.

It is an amenable number.

565421762016 is an abundant number, since it is smaller than the sum of its proper divisors (1137079808208).

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

565421762016 is a wasteful number, since it uses less digits than its factorization.

565421762016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115486504 (or 115486493 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 565421762016 in words is "five hundred sixty-five billion, four hundred twenty-one million, seven hundred sixty-two thousand, sixteen".