169368463936 has 63 divisors (see below), whose sum is σ = 391015678089. Its totient is φ = 72576607488.

The previous prime is 169368463921. The next prime is 169368463963. The reversal of 169368463936 is 639364863961.

The square root of 169368463936 is 411544.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 116652303936 + 52716160000 = 341544^2 + 229600^2 .

It is a super-2 number, since 2×169368463936² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23042790 + ... + 23050138.

Almost surely, 2^169368463936 is an apocalyptic number.

169368463936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

169368463936 is the 411544-th square number.

It is an amenable number.

169368463936 is an abundant number, since it is smaller than the sum of its proper divisors (221647214153).

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

169368463936 is an frugal number, since it uses more digits than its factorization.

169368463936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14724 (or 7358 counting only the distinct ones).

The product of its digits is 90699264, while the sum is 64.

Multiplying 169368463936 by its sum of digits (64), we get a square (10839581691904 = 3292352²).

169368463936 divided by its sum of digits (64) gives a square (2646382249 = 51443²).

The spelling of 169368463936 in words is "one hundred sixty-nine billion, three hundred sixty-eight million, four hundred sixty-three thousand, nine hundred thirty-six".