66351751160 has 32 divisors (see below), whose sum is σ = 149459830560. Its totient is φ = 26510764416.

The previous prime is 66351751069. The next prime is 66351751171. The reversal of 66351751160 is 6115715366.

It is a happy number.

It is a super-2 number, since 2×66351751160² (a number of 22 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 7 ways as a sum of consecutive naturals, for example, 899579 + ... + 970538.

It is an arithmetic number, because the mean of its divisors is an integer number (4670619705).

Almost surely, 2^66351751160 is an apocalyptic number.

It is an amenable number.

66351751160 is an abundant number, since it is smaller than the sum of its proper divisors (83108079400).

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

66351751160 is a wasteful number, since it uses less digits than its factorization.

66351751160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871015 (or 1871011 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 66351751160 in words is "sixty-six billion, three hundred fifty-one million, seven hundred fifty-one thousand, one hundred sixty".