172865150848 has 128 divisors (see below), whose sum is σ = 384280283520. Its totient is φ = 76937527296.

The previous prime is 172865150837. The next prime is 172865150869. The reversal of 172865150848 is 848051568271.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6944761 + ... + 6969607.

It is an arithmetic number, because the mean of its divisors is an integer number (3002189715).

Almost surely, 2^172865150848 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172865150848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192140141760).

172865150848 is an abundant number, since it is smaller than the sum of its proper divisors (211415132672).

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

172865150848 is a wasteful number, since it uses less digits than its factorization.

172865150848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25024 (or 25012 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 55.

The spelling of 172865150848 in words is "one hundred seventy-two billion, eight hundred sixty-five million, one hundred fifty thousand, eight hundred forty-eight".