166253450 has 24 divisors (see below), whose sum is σ = 337344480. Its totient is φ = 60455600.

The previous prime is 166253443. The next prime is 166253459. The reversal of 166253450 is 54352661.

166253450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (166253459) 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, 150590 + ... + 151689.

It is an arithmetic number, because the mean of its divisors is an integer number (14056020).

Almost surely, 2^166253450 is an apocalyptic number.

166253450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166253450 is an abundant number, since it is smaller than the sum of its proper divisors (171091030).

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

166253450 is a wasteful number, since it uses less digits than its factorization.

166253450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302302 (or 302297 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 166253450 is about 12893.9307427952. The cubic root of 166253450 is about 549.8660279751.

The spelling of 166253450 in words is "one hundred sixty-six million, two hundred fifty-three thousand, four hundred fifty".