161149053 has 16 divisors (see below), whose sum is σ = 231678720. Its totient is φ = 99046464.

The previous prime is 161149031. The next prime is 161149061. The reversal of 161149053 is 350941161.

It is not a de Polignac number, because 161149053 - 2⁹ = 161148541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161149053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161141053) 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, 37468 + ... + 41546.

It is an arithmetic number, because the mean of its divisors is an integer number (14479920).

Almost surely, 2^161149053 is an apocalyptic number.

161149053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

161149053 is a deficient number, since it is larger than the sum of its proper divisors (70529667).

161149053 is a wasteful number, since it uses less digits than its factorization.

161149053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5108.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 161149053 is about 12694.4496926807. The cubic root of 161149053 is about 544.1800120187.

The spelling of 161149053 in words is "one hundred sixty-one million, one hundred forty-nine thousand, fifty-three".