646311414231206 has 16 divisors (see below), whose sum is σ = 1012608676664928. Its totient is φ = 308802711201600.

The previous prime is 646311414231101. The next prime is 646311414231227. The reversal of 646311414231206 is 602132414113646.

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, 6880583855 + ... + 6880677786.

It is an arithmetic number, because the mean of its divisors is an integer number (63288042291558).

Almost surely, 2^{646311414231206} is an apocalyptic number.

646311414231206 is a deficient number, since it is larger than the sum of its proper divisors (366297262433722).

646311414231206 is a wasteful number, since it uses less digits than its factorization.

646311414231206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13761262687.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 646311414231206 in words is "six hundred forty-six trillion, three hundred eleven billion, four hundred fourteen million, two hundred thirty-one thousand, two hundred six".