161453007 has 10 divisors (see below), whose sum is σ = 241183008. Its totient is φ = 107635284.

The previous prime is 161452987. The next prime is 161453009. The reversal of 161453007 is 700354161.

It is not a de Polignac number, because 161453007 - 2⁸ = 161452751 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161453009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 996543 + ... + 996704.

Almost surely, 2^161453007 is an apocalyptic number.

161453007 is a deficient number, since it is larger than the sum of its proper divisors (79730001).

161453007 is an equidigital number, since it uses as much as digits as its factorization.

161453007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993259 (or 1993250 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 161453007 is about 12706.4159777649. The cubic root of 161453007 is about 544.5219352318.

The spelling of 161453007 in words is "one hundred sixty-one million, four hundred fifty-three thousand, seven".