66516157415367 has 48 divisors (see below), whose sum is σ = 104887783387296. Its totient is φ = 40284198240000.

The previous prime is 66516157415353. The next prime is 66516157415369. The reversal of 66516157415367 is 76351475161566.

66516157415367 is a `hidden beast` number, since 6 + 6 + 5 + 1 + 6 + 1 + 57 + 41 + 536 + 7 = 666.

It is not a de Polignac number, because 66516157415367 - 2¹¹ = 66516157413319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66516157415369) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1125588673 + ... + 1125647765.

It is an arithmetic number, because the mean of its divisors is an integer number (2185162153902).

Almost surely, 2^{66516157415367} is an apocalyptic number.

66516157415367 is a deficient number, since it is larger than the sum of its proper divisors (38371625971929).

66516157415367 is a wasteful number, since it uses less digits than its factorization.

66516157415367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66992 (or 66989 counting only the distinct ones).

The product of its digits is 95256000, while the sum is 63.

The spelling of 66516157415367 in words is "sixty-six trillion, five hundred sixteen billion, one hundred fifty-seven million, four hundred fifteen thousand, three hundred sixty-seven".