66002356146 has 32 divisors (see below), whose sum is σ = 139825293120. Its totient is φ = 20698384896.

The previous prime is 66002356139. The next prime is 66002356171. The reversal of 66002356146 is 64165320066.

66002356146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66002356146² (a number of 22 digits) contains 22 as substring.

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, 131550 + ... + 386406.

It is an arithmetic number, because the mean of its divisors is an integer number (4369540410).

Almost surely, 2^66002356146 is an apocalyptic number.

66002356146 is an abundant number, since it is smaller than the sum of its proper divisors (73822936974).

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

66002356146 is a wasteful number, since it uses less digits than its factorization.

66002356146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257418.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 66002356146 in words is "sixty-six billion, two million, three hundred fifty-six thousand, one hundred forty-six".