166121034 has 16 divisors (see below), whose sum is σ = 332509440. Its totient is φ = 55329120.

The previous prime is 166121029. The next prime is 166121041. The reversal of 166121034 is 430121661.

It is a junction number, because it is equal to n+sod(n) for n = 166120995 and 166121013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2554 + ... + 18405.

It is an arithmetic number, because the mean of its divisors is an integer number (20781840).

Almost surely, 2^166121034 is an apocalyptic number.

166121034 is an abundant number, since it is smaller than the sum of its proper divisors (166388406).

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

166121034 is a wasteful number, since it uses less digits than its factorization.

166121034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22285.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 166121034 is about 12888.7949009983. The cubic root of 166121034 is about 549.7200051424.

Adding to 166121034 its reverse (430121661), we get a palindrome (596242695).

The spelling of 166121034 in words is "one hundred sixty-six million, one hundred twenty-one thousand, thirty-four".