101640702372 has 96 divisors (see below), whose sum is σ = 261502940160. Its totient is φ = 30470014080.

The previous prime is 101640702349. The next prime is 101640702437. The reversal of 101640702372 is 273207046101.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9821833 + ... + 9832175.

It is an arithmetic number, because the mean of its divisors is an integer number (2723988960).

Almost surely, 2^101640702372 is an apocalyptic number.

101640702372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101640702372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130751470080).

101640702372 is an abundant number, since it is smaller than the sum of its proper divisors (159862237788).

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

101640702372 is a wasteful number, since it uses less digits than its factorization.

101640702372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11153 (or 11151 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

Adding to 101640702372 its reverse (273207046101), we get a palindrome (374847748473).

The spelling of 101640702372 in words is "one hundred one billion, six hundred forty million, seven hundred two thousand, three hundred seventy-two".