66129241259088 has 80 divisors (see below), whose sum is σ = 216931902552960. Its totient is φ = 18894068930304.

The previous prime is 66129241259071. The next prime is 66129241259099. The reversal of 66129241259088 is 88095214292166.

66129241259088 is a `hidden beast` number, since 6 + 6 + 1 + 2 + 9 + 24 + 12 + 590 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10934064645 + ... + 10934070692.

It is an arithmetic number, because the mean of its divisors is an integer number (2711648781912).

Almost surely, 2^{66129241259088} is an apocalyptic number.

It is an amenable number.

66129241259088 is an abundant number, since it is smaller than the sum of its proper divisors (150802661293872).

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

66129241259088 is a wasteful number, since it uses less digits than its factorization.

66129241259088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21868135361 (or 21868135349 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 66129241259088 in words is "sixty-six trillion, one hundred twenty-nine billion, two hundred forty-one million, two hundred fifty-nine thousand, eighty-eight".