161514351 has 16 divisors (see below), whose sum is σ = 239636320. Its totient is φ = 107516160.

The previous prime is 161514337. The next prime is 161514377. The reversal of 161514351 is 153415161.

161514351 is a `hidden beast` number, since 1 + 615 + 1 + 43 + 5 + 1 = 666.

It is not a de Polignac number, because 161514351 - 2⁵ = 161514319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161514391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15711 + ... + 23871.

It is an arithmetic number, because the mean of its divisors is an integer number (14977270).

Almost surely, 2^161514351 is an apocalyptic number.

161514351 is a deficient number, since it is larger than the sum of its proper divisors (78121969).

161514351 is an equidigital number, since it uses as much as digits as its factorization.

161514351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8903 (or 8897 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 161514351 is about 12708.8296471390. The cubic root of 161514351 is about 544.5908901238.

It can be divided in two parts, 16151 and 4351, that added together give a palindrome (20502).

The spelling of 161514351 in words is "one hundred sixty-one million, five hundred fourteen thousand, three hundred fifty-one".