161624334 has 8 divisors (see below), whose sum is σ = 323248680. Its totient is φ = 53874776.

The previous prime is 161624311. The next prime is 161624357. The reversal of 161624334 is 433426161.

It is an interprime number because it is at equal distance from previous prime (161624311) and next prime (161624357).

It is a sphenic number, since it is the product of 3 distinct primes.

161624334 is an admirable number.

It is a super-2 number, since 2×161624334² = 52244850681887112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13468689 + ... + 13468700.

It is an arithmetic number, because the mean of its divisors is an integer number (40406085).

Almost surely, 2^161624334 is an apocalyptic number.

161624334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

161624334 is a wasteful number, since it uses less digits than its factorization.

161624334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26937394.

The product of its digits is 10368, while the sum is 30.

The square root of 161624334 is about 12713.1559417794. The cubic root of 161624334 is about 544.7144749102.

The spelling of 161624334 in words is "one hundred sixty-one million, six hundred twenty-four thousand, three hundred thirty-four".