101563946 has 16 divisors (see below), whose sum is σ = 168200928. Its totient is φ = 45608400.

The previous prime is 101563939. The next prime is 101563981. The reversal of 101563946 is 649365101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25985 + ... + 29636.

It is an arithmetic number, because the mean of its divisors is an integer number (10512558).

Almost surely, 2^101563946 is an apocalyptic number.

101563946 is a deficient number, since it is larger than the sum of its proper divisors (66636982).

101563946 is a wasteful number, since it uses less digits than its factorization.

101563946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55717.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 101563946 is about 10077.8939268083. The cubic root of 101563946 is about 466.5661088321.

The spelling of 101563946 in words is "one hundred one million, five hundred sixty-three thousand, nine hundred forty-six".