161459747 has 8 divisors (see below), whose sum is σ = 169357344. Its totient is φ = 153635328.

The previous prime is 161459671. The next prime is 161459789. The reversal of 161459747 is 747954161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 161459747 - 2⁸ = 161459491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161459698 and 161459707.

It is not an unprimeable number, because it can be changed into a prime (161455747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13748 + ... + 22625.

It is an arithmetic number, because the mean of its divisors is an integer number (21169668).

Almost surely, 2^161459747 is an apocalyptic number.

161459747 is a deficient number, since it is larger than the sum of its proper divisors (7897597).

161459747 is a wasteful number, since it uses less digits than its factorization.

161459747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36589.

The product of its digits is 211680, while the sum is 44.

The square root of 161459747 is about 12706.6811953397. The cubic root of 161459747 is about 544.5295123112.

The spelling of 161459747 in words is "one hundred sixty-one million, four hundred fifty-nine thousand, seven hundred forty-seven".