100610621516 has 24 divisors (see below), whose sum is σ = 178514345184. Its totient is φ = 49606784640.

The previous prime is 100610621491. The next prime is 100610621543. The reversal of 100610621516 is 615126016001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1658846 + ... + 1718426.

It is an arithmetic number, because the mean of its divisors is an integer number (7438097716).

Almost surely, 2^100610621516 is an apocalyptic number.

It is an amenable number.

100610621516 is a deficient number, since it is larger than the sum of its proper divisors (77903723668).

100610621516 is a wasteful number, since it uses less digits than its factorization.

100610621516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65441 (or 65439 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

Adding to 100610621516 its reverse (615126016001), we get a palindrome (715736637517).

The spelling of 100610621516 in words is "one hundred billion, six hundred ten million, six hundred twenty-one thousand, five hundred sixteen".