172162007604 has 84 divisors (see below), whose sum is σ = 452409138720. Its totient is φ = 57299613840.

The previous prime is 172162007603. The next prime is 172162007659. The reversal of 172162007604 is 406700261271.

172162007604 is a `hidden beast` number, since 1 + 7 + 21 + 6 + 20 + 0 + 7 + 604 = 666.

It is a super-3 number, since 3×172162007604³ (a number of 35 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172162007603) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1876849 + ... + 1966439.

It is an arithmetic number, because the mean of its divisors is an integer number (5385823080).

Almost surely, 2^172162007604 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 172162007604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226204569360).

172162007604 is an abundant number, since it is smaller than the sum of its proper divisors (280247131116).

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

172162007604 is an equidigital number, since it uses as much as digits as its factorization.

172162007604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90272 (or 90255 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

Adding to 172162007604 its reverse (406700261271), we get a palindrome (578862268875).

The spelling of 172162007604 in words is "one hundred seventy-two billion, one hundred sixty-two million, seven thousand, six hundred four".