66370052016 has 60 divisors (see below), whose sum is σ = 186400418568. Its totient is φ = 22045162752.

The previous prime is 66370052003. The next prime is 66370052029. The reversal of 66370052016 is 61025007366.

66370052016 is a `hidden beast` number, since 6 + 63 + 70 + 0 + 520 + 1 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (66370052003) and next prime (66370052029).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 773565 + ... + 855068.

Almost surely, 2^66370052016 is an apocalyptic number.

It is an amenable number.

66370052016 is an abundant number, since it is smaller than the sum of its proper divisors (120030366552).

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

66370052016 is a wasteful number, since it uses less digits than its factorization.

66370052016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628930 (or 1628921 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

It can be divided in two parts, 663700 and 52016, that added together give a square (715716 = 846²).

The spelling of 66370052016 in words is "sixty-six billion, three hundred seventy million, fifty-two thousand, sixteen".