101440631616 has 56 divisors (see below), whose sum is σ = 268426228704. Its totient is φ = 33809610240.

The previous prime is 101440631561. The next prime is 101440631639. The reversal of 101440631616 is 616136044101.

It is a congruent number.

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, 1958371 + ... + 2009501.

Almost surely, 2^101440631616 is an apocalyptic number.

101440631616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

101440631616 is an abundant number, since it is smaller than the sum of its proper divisors (166985597088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101440631616 is a wasteful number, since it uses less digits than its factorization.

101440631616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61479 (or 61469 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

Adding to 101440631616 its reverse (616136044101), we get a palindrome (717576675717).

The spelling of 101440631616 in words is "one hundred one billion, four hundred forty million, six hundred thirty-one thousand, six hundred sixteen".