9161651 has 8 divisors (see below), whose sum is σ = 9634800. Its totient is φ = 8699040.

The previous prime is 9161641. The next prime is 9161671. The reversal of 9161651 is 1561619.

9161651 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9161651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9161611) 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, 821 + ... + 4358.

It is an arithmetic number, because the mean of its divisors is an integer number (1204350).

Almost surely, 2^9161651 is an apocalyptic number.

9161651 is a deficient number, since it is larger than the sum of its proper divisors (473149).

9161651 is a wasteful number, since it uses less digits than its factorization.

9161651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269.

The product of its digits is 1620, while the sum is 29.

The square root of 9161651 is about 3026.8219306725. The cubic root of 9161651 is about 209.2463613468.

The spelling of 9161651 in words is "nine million, one hundred sixty-one thousand, six hundred fifty-one".