1254552166 has 16 divisors (see below), whose sum is σ = 2152175904. Its totient is φ = 537286464.

The previous prime is 1254552163. The next prime is 1254552203. The reversal of 1254552166 is 6612554521.

It is a super-2 number, since 2×1254552166² = 3147802274430583112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254552161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10495 + ... + 51178.

It is an arithmetic number, because the mean of its divisors is an integer number (134510994).

Almost surely, 2^1254552166 is an apocalyptic number.

1254552166 is a deficient number, since it is larger than the sum of its proper divisors (897623738).

1254552166 is a wasteful number, since it uses less digits than its factorization.

1254552166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63135.

The product of its digits is 72000, while the sum is 37.

The square root of 1254552166 is about 35419.6579034863. The cubic root of 1254552166 is about 1078.5234067667.

The spelling of 1254552166 in words is "one billion, two hundred fifty-four million, five hundred fifty-two thousand, one hundred sixty-six".