101983173372 has 72 divisors (see below), whose sum is σ = 263395314000. Its totient is φ = 33262149888.

The previous prime is 101983173353. The next prime is 101983173373. The reversal of 101983173372 is 273371389101.

101983173372 is a `hidden beast` number, since 101 + 9 + 8 + 3 + 173 + 372 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101983173373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217504 + ... + 501272.

It is an arithmetic number, because the mean of its divisors is an integer number (3658268250).

Almost surely, 2^101983173372 is an apocalyptic number.

101983173372 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 101983173372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131697657000).

101983173372 is an abundant number, since it is smaller than the sum of its proper divisors (161412140628).

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

101983173372 is a wasteful number, since it uses less digits than its factorization.

101983173372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283995 (or 283990 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 101983173372 in words is "one hundred one billion, nine hundred eighty-three million, one hundred seventy-three thousand, three hundred seventy-two".