161626948 has 12 divisors (see below), whose sum is σ = 323253952. Its totient is φ = 69268680.

The previous prime is 161626943. The next prime is 161626991. The reversal of 161626948 is 849626161.

161626948 is an admirable number.

It is a super-2 number, since 2×161626948² = 52246540639589408, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (161626943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2886168 + ... + 2886223.

Almost surely, 2^161626948 is an apocalyptic number.

It is an amenable number.

161626948 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.

161626948 is a wasteful number, since it uses less digits than its factorization.

161626948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5772402 (or 5772400 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 161626948 is about 12713.2587482518. The cubic root of 161626948 is about 544.7174115059.

The spelling of 161626948 in words is "one hundred sixty-one million, six hundred twenty-six thousand, nine hundred forty-eight".