162172002 has 32 divisors (see below), whose sum is σ = 341236800. Its totient is φ = 51305408.

The previous prime is 162171991. The next prime is 162172007. The reversal of 162172002 is 200271261.

It is a super-3 number, since 3×162172002³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 162172002.

It is not an unprimeable number, because it can be changed into a prime (162172007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2368 + ... + 18164.

It is an arithmetic number, because the mean of its divisors is an integer number (10663650).

Almost surely, 2^162172002 is an apocalyptic number.

162172002 is an abundant number, since it is smaller than the sum of its proper divisors (179064798).

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

162172002 is a wasteful number, since it uses less digits than its factorization.

162172002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15890.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 162172002 is about 12734.6771454953. The cubic root of 162172002 is about 545.3290407054.

The spelling of 162172002 in words is "one hundred sixty-two million, one hundred seventy-two thousand, two".