161348499 has 12 divisors (see below), whose sum is σ = 250986736. Its totient is φ = 99291312.

The previous prime is 161348497. The next prime is 161348501. The reversal of 161348499 is 994843161.

161348499 is a `hidden beast` number, since 161 + 3 + 484 + 9 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (161348497) and next prime (161348501).

It is not a de Polignac number, because 161348499 - 2¹ = 161348497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161348497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 689407 + ... + 689640.

Almost surely, 2^161348499 is an apocalyptic number.

161348499 is a deficient number, since it is larger than the sum of its proper divisors (89638237).

161348499 is a wasteful number, since it uses less digits than its factorization.

161348499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379066 (or 1379063 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 161348499 is about 12702.3029014427. The cubic root of 161348499 is about 544.4044207871.

The spelling of 161348499 in words is "one hundred sixty-one million, three hundred forty-eight thousand, four hundred ninety-nine".