100366628 has 6 divisors (see below), whose sum is σ = 175641606. Its totient is φ = 50183312.

The previous prime is 100366621. The next prime is 100366631. The reversal of 100366628 is 826663001.

It can be written as a sum of positive squares in only one way, i.e., 96196864 + 4169764 = 9808^2 + 2042^2 .

It is a junction number, because it is equal to n+sod(n) for n = 100366594 and 100366603.

It is not an unprimeable number, because it can be changed into a prime (100366621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12545825 + ... + 12545832.

It is an arithmetic number, because the mean of its divisors is an integer number (29273601).

Almost surely, 2^100366628 is an apocalyptic number.

It is an amenable number.

100366628 is a deficient number, since it is larger than the sum of its proper divisors (75274978).

100366628 is a wasteful number, since it uses less digits than its factorization.

100366628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25091661 (or 25091659 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 100366628 is about 10018.3146287187. The cubic root of 100366628 is about 464.7254370199.

The spelling of 100366628 in words is "one hundred million, three hundred sixty-six thousand, six hundred twenty-eight".