169672390272 has 384 divisors, whose sum is σ = 628373790720. Its totient is φ = 42648422400.

The previous prime is 169672390267. The next prime is 169672390309. The reversal of 169672390272 is 272093276961.

169672390272 is a `hidden beast` number, since 169 + 6 + 72 + 390 + 27 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×169672390272² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2718973 + ... + 2780675.

It is an arithmetic number, because the mean of its divisors is an integer number (1636390080).

Almost surely, 2^169672390272 is an apocalyptic number.

169672390272 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 169672390272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314186895360).

169672390272 is an abundant number, since it is smaller than the sum of its proper divisors (458701400448).

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

169672390272 is a wasteful number, since it uses less digits than its factorization.

169672390272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61772 (or 61757 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

It can be divided in two parts, 1696723 and 90272, that added together give a triangular number (1786995 = T₁₈₉₀).

The spelling of 169672390272 in words is "one hundred sixty-nine billion, six hundred seventy-two million, three hundred ninety thousand, two hundred seventy-two".