100616551 has 12 divisors (see below), whose sum is σ = 117321048. Its totient is φ = 86038512.

The previous prime is 100616543. The next prime is 100616561. The reversal of 100616551 is 155616001.

It is not a de Polignac number, because 100616551 - 2³ = 100616543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100616521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20685 + ... + 25081.

It is an arithmetic number, because the mean of its divisors is an integer number (9776754).

Almost surely, 2^100616551 is an apocalyptic number.

100616551 is a deficient number, since it is larger than the sum of its proper divisors (16704497).

100616551 is an equidigital number, since it uses as much as digits as its factorization.

100616551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878 (or 4871 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 100616551 is about 10030.7801790289. The cubic root of 100616551 is about 465.1108549824.

The spelling of 100616551 in words is "one hundred million, six hundred sixteen thousand, five hundred fifty-one".