101949691776 has 32 divisors (see below), whose sum is σ = 270803869800. Its totient is φ = 33983230464.

The previous prime is 101949691763. The next prime is 101949691783. The reversal of 101949691776 is 677196949101.

It is a tau number, because it is divible by the number of its divisors (32).

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132746611 + ... + 132747378.

Almost surely, 2^101949691776 is an apocalyptic number.

101949691776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

101949691776 is an abundant number, since it is smaller than the sum of its proper divisors (168854178024).

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

101949691776 is an equidigital number, since it uses as much as digits as its factorization.

101949691776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265494006 (or 265493994 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 60.

The spelling of 101949691776 in words is "one hundred one billion, nine hundred forty-nine million, six hundred ninety-one thousand, seven hundred seventy-six".