101661153 has 32 divisors (see below), whose sum is σ = 161049600. Its totient is φ = 56347200.

The previous prime is 101661151. The next prime is 101661179. The reversal of 101661153 is 351166101.

It is not a de Polignac number, because 101661153 - 2¹ = 101661151 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101661151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15388 + ... + 20978.

It is an arithmetic number, because the mean of its divisors is an integer number (5032800).

Almost surely, 2^101661153 is an apocalyptic number.

It is an amenable number.

101661153 is a deficient number, since it is larger than the sum of its proper divisors (59388447).

101661153 is a wasteful number, since it uses less digits than its factorization.

101661153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5653.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 101661153 is about 10082.7155568329. The cubic root of 101661153 is about 466.7149117355.

The spelling of 101661153 in words is "one hundred one million, six hundred sixty-one thousand, one hundred fifty-three".