166753490 has 24 divisors (see below), whose sum is σ = 302416740. Its totient is φ = 66202560.

The previous prime is 166753463. The next prime is 166753501. The reversal of 166753490 is 94357661.

166753490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 6806881 + 159946609 = 2609^2 + 12647^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 327356 + ... + 327864.

Almost surely, 2^166753490 is an apocalyptic number.

166753490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166753490 is a deficient number, since it is larger than the sum of its proper divisors (135663250).

166753490 is an equidigital number, since it uses as much as digits as its factorization.

166753490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 166753490 is about 12913.3067027776. The cubic root of 166753490 is about 550.4167530034.

The spelling of 166753490 in words is "one hundred sixty-six million, seven hundred fifty-three thousand, four hundred ninety".