66411754602 has 16 divisors (see below), whose sum is σ = 133224792672. Its totient is φ = 22070370960.

The previous prime is 66411754589. The next prime is 66411754663. The reversal of 66411754602 is 20645711466.

It is a super-2 number, since 2×66411754602² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16717993 + ... + 16721964.

It is an arithmetic number, because the mean of its divisors is an integer number (8326549542).

Almost surely, 2^66411754602 is an apocalyptic number.

66411754602 is an abundant number, since it is smaller than the sum of its proper divisors (66813038070).

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

66411754602 is a wasteful number, since it uses less digits than its factorization.

66411754602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33440293.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 66411754602 in words is "sixty-six billion, four hundred eleven million, seven hundred fifty-four thousand, six hundred two".