166100100 has 36 divisors (see below), whose sum is σ = 480583824. Its totient is φ = 44293280.

The previous prime is 166100083. The next prime is 166100101. The reversal of 166100100 is 1001661.

166100100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 166100100.

It is not an unprimeable number, because it can be changed into a prime (166100101) 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, 276534 + ... + 277133.

Almost surely, 2^166100100 is an apocalyptic number.

166100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166100100 is an abundant number, since it is smaller than the sum of its proper divisors (314483724).

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

166100100 is a wasteful number, since it uses less digits than its factorization.

166100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553684 (or 553677 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 166100100 is about 12887.9827746626. The cubic root of 166100100 is about 549.6969128990.

Adding to 166100100 its reverse (1001661), we get a palindrome (167101761).

The spelling of 166100100 in words is "one hundred sixty-six million, one hundred thousand, one hundred".