10163961 has 24 divisors (see below), whose sum is σ = 15381184. Its totient is φ = 6706800.

The previous prime is 10163957. The next prime is 10163963. The reversal of 10163961 is 16936101.

It is not a de Polignac number, because 10163961 - 2² = 10163957 is a prime.

It is a super-2 number, since 2×10163961² = 206612206419042, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10163963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36555 + ... + 36831.

Almost surely, 2^10163961 is an apocalyptic number.

It is an amenable number.

10163961 is a deficient number, since it is larger than the sum of its proper divisors (5217223).

10163961 is an equidigital number, since it uses as much as digits as its factorization.

10163961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 10163961 is about 3188.0967676656. The cubic root of 10163961 is about 216.6145691967.

The spelling of 10163961 in words is "ten million, one hundred sixty-three thousand, nine hundred sixty-one".