161501352 has 16 divisors (see below), whose sum is σ = 403753440. Its totient is φ = 53833776.

The previous prime is 161501339. The next prime is 161501363. The reversal of 161501352 is 253105161.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 6729223 = 161501352 / (1 + 6 + 1 + 5 + 0 + 1 + 3 + 5 + 2).

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, 3364588 + ... + 3364635.

It is an arithmetic number, because the mean of its divisors is an integer number (25234590).

Almost surely, 2^161501352 is an apocalyptic number.

161501352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161501352 is an abundant number, since it is smaller than the sum of its proper divisors (242252088).

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

161501352 is a wasteful number, since it uses less digits than its factorization.

161501352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6729232 (or 6729228 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 161501352 is about 12708.3182207560. The cubic root of 161501352 is about 544.5762798082.

The spelling of 161501352 in words is "one hundred sixty-one million, five hundred one thousand, three hundred fifty-two".