66160016552526 has 32 divisors (see below), whose sum is σ = 142498874252448. Its totient is φ = 20356874304000.

The previous prime is 66160016552449. The next prime is 66160016552527. The reversal of 66160016552526 is 62525561006166.

It is a super-2 number, since 2×66160016552526² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66160016552527) 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, 36636370 + ... + 38399786.

It is an arithmetic number, because the mean of its divisors is an integer number (4453089820389).

Almost surely, 2^{66160016552526} is an apocalyptic number.

66160016552526 is an abundant number, since it is smaller than the sum of its proper divisors (76338857699922).

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

66160016552526 is a wasteful number, since it uses less digits than its factorization.

66160016552526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244436.

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 66160016552526 in words is "sixty-six trillion, one hundred sixty billion, sixteen million, five hundred fifty-two thousand, five hundred twenty-six".