101620616 has 8 divisors (see below), whose sum is σ = 190538670. Its totient is φ = 50810304.

The previous prime is 101620609. The next prime is 101620619. The reversal of 101620616 is 616026101.

It can be written as a sum of positive squares in only one way, i.e., 74891716 + 26728900 = 8654^2 + 5170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 101620591 and 101620600.

It is not an unprimeable number, because it can be changed into a prime (101620619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6351281 + ... + 6351296.

Almost surely, 2^101620616 is an apocalyptic number.

It is an amenable number.

101620616 is a deficient number, since it is larger than the sum of its proper divisors (88918054).

101620616 is a wasteful number, since it uses less digits than its factorization.

101620616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12702583 (or 12702579 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 101620616 is about 10080.7051340668. The cubic root of 101620616 is about 466.6528698869.

Adding to 101620616 its reverse (616026101), we get a palindrome (717646717).

The spelling of 101620616 in words is "one hundred one million, six hundred twenty thousand, six hundred sixteen".