66660001510 has 16 divisors (see below), whose sum is σ = 121955020272. Its totient is φ = 26226885600.

The previous prime is 66660001483. The next prime is 66660001549. The reversal of 66660001510 is 1510006666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54638736 + ... + 54639955.

It is an arithmetic number, because the mean of its divisors is an integer number (7622188767).

Almost surely, 2^66660001510 is an apocalyptic number.

66660001510 is a deficient number, since it is larger than the sum of its proper divisors (55295018762).

66660001510 is a wasteful number, since it uses less digits than its factorization.

66660001510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109278759.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 66660001510 in words is "sixty-six billion, six hundred sixty million, one thousand, five hundred ten".