101630153865 has 64 divisors (see below), whose sum is σ = 174127968000. Its totient is φ = 50436341760.

The previous prime is 101630153861. The next prime is 101630153941. The reversal of 101630153865 is 568351036101.

It is not a de Polignac number, because 101630153865 - 2² = 101630153861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101630153861) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37076395 + ... + 37079135.

It is an arithmetic number, because the mean of its divisors is an integer number (2720749500).

Almost surely, 2^101630153865 is an apocalyptic number.

101630153865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101630153865 is a deficient number, since it is larger than the sum of its proper divisors (72497814135).

101630153865 is a wasteful number, since it uses less digits than its factorization.

101630153865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362.

The product of its (nonzero) digits is 64800, while the sum is 39.

Adding to 101630153865 its reverse (568351036101), we get a palindrome (669981189966).

The spelling of 101630153865 in words is "one hundred one billion, six hundred thirty million, one hundred fifty-three thousand, eight hundred sixty-five".