161652953 has 16 divisors (see below), whose sum is σ = 206232576. Its totient is φ = 123031440.

The previous prime is 161652937. The next prime is 161653027. The reversal of 161652953 is 359256161.

It is not a de Polignac number, because 161652953 - 2⁴ = 161652937 is a prime.

It is a super-2 number, since 2×161652953² = 52263354427240418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161652913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21101 + ... + 27722.

It is an arithmetic number, because the mean of its divisors is an integer number (12889536).

Almost surely, 2^161652953 is an apocalyptic number.

It is an amenable number.

161652953 is a deficient number, since it is larger than the sum of its proper divisors (44579623).

161652953 is a wasteful number, since it uses less digits than its factorization.

161652953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48884.

The product of its digits is 48600, while the sum is 38.

The square root of 161652953 is about 12714.2814582657. The cubic root of 161652953 is about 544.7466240780.

The spelling of 161652953 in words is "one hundred sixty-one million, six hundred fifty-two thousand, nine hundred fifty-three".