640100000364106 has 16 divisors (see below), whose sum is σ = 1025769050076960. Its totient is φ = 298679811637680.

The previous prime is 640100000364007. The next prime is 640100000364109. The reversal of 640100000364106 is 601463000001046.

It is a super-2 number, since 2×640100000364106² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (640100000364109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125706988885 + ... + 125706993976.

It is an arithmetic number, because the mean of its divisors is an integer number (64110565629810).

Almost surely, 2^{640100000364106} is an apocalyptic number.

640100000364106 is a deficient number, since it is larger than the sum of its proper divisors (385669049712854).

640100000364106 is a wasteful number, since it uses less digits than its factorization.

640100000364106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251413982949.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 640100000364106 in words is "six hundred forty trillion, one hundred billion, three hundred sixty-four thousand, one hundred six".