101653438636 has 12 divisors (see below), whose sum is σ = 178454698128. Its totient is φ = 50666382032.

The previous prime is 101653438633. The next prime is 101653438637. The reversal of 101653438636 is 636834356101.

It is not an unprimeable number, because it can be changed into a prime (101653438631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40082896 + ... + 40085431.

It is an arithmetic number, because the mean of its divisors is an integer number (14871224844).

Almost surely, 2^101653438636 is an apocalyptic number.

It is an amenable number.

101653438636 is a deficient number, since it is larger than the sum of its proper divisors (76801259492).

101653438636 is a wasteful number, since it uses less digits than its factorization.

101653438636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80168648 (or 80168646 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 101653438636 in words is "one hundred one billion, six hundred fifty-three million, four hundred thirty-eight thousand, six hundred thirty-six".