17213271552 has 160 divisors (see below), whose sum is σ = 52710688800. Its totient is φ = 5539774464.

The previous prime is 17213271547. The next prime is 17213271571. The reversal of 17213271552 is 25517231271.

17213271552 is a `hidden beast` number, since 1 + 7 + 2 + 1 + 32 + 71 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 379428 + ... + 422364.

It is an arithmetic number, because the mean of its divisors is an integer number (329441805).

Almost surely, 2^17213271552 is an apocalyptic number.

17213271552 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 17213271552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26355344400).

17213271552 is an abundant number, since it is smaller than the sum of its proper divisors (35497417248).

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

17213271552 is an equidigital number, since it uses as much as digits as its factorization.

17213271552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42993 (or 42971 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The spelling of 17213271552 in words is "seventeen billion, two hundred thirteen million, two hundred seventy-one thousand, five hundred fifty-two".