651411214631066 has 16 divisors (see below), whose sum is σ = 978183298179360. Its totient is φ = 325350156513360.

The previous prime is 651411214631059. The next prime is 651411214631077. The reversal of 651411214631066 is 660136412114156.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 651411214631066.

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, 21280280 + ... + 41900748.

It is an arithmetic number, because the mean of its divisors is an integer number (61136456136210).

Almost surely, 2^{651411214631066} is an apocalyptic number.

651411214631066 is a deficient number, since it is larger than the sum of its proper divisors (326772083548294).

651411214631066 is a wasteful number, since it uses less digits than its factorization.

651411214631066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20637709.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 651411214631066 in words is "six hundred fifty-one trillion, four hundred eleven billion, two hundred fourteen million, six hundred thirty-one thousand, sixty-six".