66969964402060 has 48 divisors (see below), whose sum is σ = 141158482698240. Its totient is φ = 26688645132480.

The previous prime is 66969964402037. The next prime is 66969964402067. The reversal of 66969964402060 is 6020446996966.

It is a super-2 number, since 2×66969964402060² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66969964402067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482955657 + ... + 483094303.

It is an arithmetic number, because the mean of its divisors is an integer number (2940801722880).

Almost surely, 2^{66969964402060} is an apocalyptic number.

It is an amenable number.

66969964402060 is an abundant number, since it is smaller than the sum of its proper divisors (74188518296180).

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

66969964402060 is a wasteful number, since it uses less digits than its factorization.

66969964402060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228046 (or 228044 counting only the distinct ones).

The product of its (nonzero) digits is 181398528, while the sum is 67.

The spelling of 66969964402060 in words is "sixty-six trillion, nine hundred sixty-nine billion, nine hundred sixty-four million, four hundred two thousand, sixty".