100377166512640 has 80 divisors (see below), whose sum is σ = 240679606001472. Its totient is φ = 40149254139904.

The previous prime is 100377166512629. The next prime is 100377166512653. The reversal of 100377166512640 is 46215661773001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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, 64011237 + ... + 65560603.

Almost surely, 2^{100377166512640} is an apocalyptic number.

100377166512640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100377166512640 is an abundant number, since it is smaller than the sum of its proper divisors (140302439488832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100377166512640 is an equidigital number, since it uses as much as digits as its factorization.

100377166512640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574697 (or 1574681 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 100377166512640 in words is "one hundred trillion, three hundred seventy-seven billion, one hundred sixty-six million, five hundred twelve thousand, six hundred forty".