105551616 has 36 divisors (see below), whose sum is σ = 280923272. Its totient is φ = 35183616.

The previous prime is 105551609. The next prime is 105551629. The reversal of 105551616 is 616155501.

It is a super-2 number, since 2×105551616² = 22282287280422912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67951 + ... + 69486.

Almost surely, 2^105551616 is an apocalyptic number.

105551616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

105551616 is an abundant number, since it is smaller than the sum of its proper divisors (175371656).

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

105551616 is an equidigital number, since it uses as much as digits as its factorization.

105551616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137456 (or 137442 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 105551616 is about 10273.8316124025. The cubic root of 105551616 is about 472.5941001240.

The spelling of 105551616 in words is "one hundred five million, five hundred fifty-one thousand, six hundred sixteen".