102167591644 has 48 divisors (see below), whose sum is σ = 192074452416. Its totient is φ = 47377612800.

The previous prime is 102167591641. The next prime is 102167591671. The reversal of 102167591644 is 446195761201.

It is a junction number, because it is equal to n+sod(n) for n = 102167591594 and 102167591603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102167591641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12514924 + ... + 12523084.

It is an arithmetic number, because the mean of its divisors is an integer number (4001551092).

Almost surely, 2^102167591644 is an apocalyptic number.

It is an amenable number.

102167591644 is a deficient number, since it is larger than the sum of its proper divisors (89906860772).

102167591644 is a wasteful number, since it uses less digits than its factorization.

102167591644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10846 (or 10844 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 102167591644 in words is "one hundred two billion, one hundred sixty-seven million, five hundred ninety-one thousand, six hundred forty-four".