161629348 has 12 divisors (see below), whose sum is σ = 283818780. Its totient is φ = 80538272.

The previous prime is 161629331. The next prime is 161629367. The reversal of 161629348 is 843926161.

It can be written as a sum of positive squares in 2 ways, for example, as 104203264 + 57426084 = 10208^2 + 7578^2 .

It is a super-2 number, since 2×161629348² = 52248092269810208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161629348.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67783 + ... + 70126.

It is an arithmetic number, because the mean of its divisors is an integer number (23651565).

Almost surely, 2^161629348 is an apocalyptic number.

It is an amenable number.

161629348 is a deficient number, since it is larger than the sum of its proper divisors (122189432).

161629348 is a wasteful number, since it uses less digits than its factorization.

161629348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138206 (or 138204 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 161629348 is about 12713.3531375479. The cubic root of 161629348 is about 544.7201076638.

The spelling of 161629348 in words is "one hundred sixty-one million, six hundred twenty-nine thousand, three hundred forty-eight".