161264430 has 48 divisors (see below), whose sum is σ = 425209824. Its totient is φ = 42396480.

The previous prime is 161264429. The next prime is 161264443. The reversal of 161264430 is 34462161.

161264430 is a `hidden beast` number, since 1 + 6 + 12 + 644 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 161264394 and 161264403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6229 + ... + 19008.

It is an arithmetic number, because the mean of its divisors is an integer number (8858538).

Almost surely, 2^161264430 is an apocalyptic number.

161264430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161264430 is an abundant number, since it is smaller than the sum of its proper divisors (263945394).

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

161264430 is a wasteful number, since it uses less digits than its factorization.

161264430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25321 (or 25318 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 161264430 is about 12698.9932671846. The cubic root of 161264430 is about 544.3098522254.

The spelling of 161264430 in words is "one hundred sixty-one million, two hundred sixty-four thousand, four hundred thirty".