66032413262650 has 24 divisors (see below), whose sum is σ = 122847907766400. Its totient is φ = 26407025714160.

The previous prime is 66032413262573. The next prime is 66032413262653. The reversal of 66032413262650 is 5626231423066.

It is a self number, because there is not a number n which added to its sum of digits gives 66032413262650.

It is not an unprimeable number, because it can be changed into a prime (66032413262653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148265200 + ... + 148709899.

It is an arithmetic number, because the mean of its divisors is an integer number (5118662823600).

Almost surely, 2^{66032413262650} is an apocalyptic number.

66032413262650 is a deficient number, since it is larger than the sum of its proper divisors (56815494503750).

66032413262650 is a wasteful number, since it uses less digits than its factorization.

66032413262650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296979558 (or 296979553 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 66032413262650 in words is "sixty-six trillion, thirty-two billion, four hundred thirteen million, two hundred sixty-two thousand, six hundred fifty".