100661626 has 8 divisors (see below), whose sum is σ = 162607284. Its totient is φ = 46459200.

The previous prime is 100661621. The next prime is 100661629. The reversal of 100661626 is 626166001.

It can be written as a sum of positive squares in 2 ways, for example, as 84621601 + 16040025 = 9199^2 + 4005^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 100661594 and 100661603.

It is not an unprimeable number, because it can be changed into a prime (100661621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1935775 + ... + 1935826.

Almost surely, 2^100661626 is an apocalyptic number.

100661626 is a deficient number, since it is larger than the sum of its proper divisors (61945658).

100661626 is a wasteful number, since it uses less digits than its factorization.

100661626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871616.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 100661626 is about 10033.0267616507. The cubic root of 100661626 is about 465.1802992958.

The spelling of 100661626 in words is "one hundred million, six hundred sixty-one thousand, six hundred twenty-six".