100640001434656 has 12 divisors (see below), whose sum is σ = 198135002824542. Its totient is φ = 50320000717312.

The previous prime is 100640001434639. The next prime is 100640001434663. The reversal of 100640001434656 is 656434100046001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 78739286202256 + 21900715232400 = 8873516^2 + 4679820^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572500022385 + ... + 1572500022448.

Almost surely, 2^{100640001434656} is an apocalyptic number.

100640001434656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

100640001434656 is a deficient number, since it is larger than the sum of its proper divisors (97495001389886).

100640001434656 is an equidigital number, since it uses as much as digits as its factorization.

100640001434656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145000044843 (or 3145000044835 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 100640001434656 in words is "one hundred trillion, six hundred forty billion, one million, four hundred thirty-four thousand, six hundred fifty-six".