161146395 has 32 divisors (see below), whose sum is σ = 298944000. Its totient is φ = 82206432.

The previous prime is 161146393. The next prime is 161146399. The reversal of 161146395 is 593641161.

161146395 is a `hidden beast` number, since 1 + 6 + 1 + 14 + 639 + 5 = 666.

It is not a de Polignac number, because 161146395 - 2¹ = 161146393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161146393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22845 + ... + 29054.

It is an arithmetic number, because the mean of its divisors is an integer number (9342000).

Almost surely, 2^161146395 is an apocalyptic number.

161146395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161146395 is a deficient number, since it is larger than the sum of its proper divisors (137797605).

161146395 is a wasteful number, since it uses less digits than its factorization.

161146395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51936 (or 51930 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 161146395 is about 12694.3450008262. The cubic root of 161146395 is about 544.1770200921.

It can be divided in two parts, 16 and 1146395, that added together give a palindrome (1146411).

The spelling of 161146395 in words is "one hundred sixty-one million, one hundred forty-six thousand, three hundred ninety-five".