166436562 has 16 divisors (see below), whose sum is σ = 352454112. Its totient is φ = 52215360.

The previous prime is 166436537. The next prime is 166436573. The reversal of 166436562 is 265634661.

It is a super-2 number, since 2×166436562² = 55402258340759688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 166436562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815764 + ... + 815967.

It is an arithmetic number, because the mean of its divisors is an integer number (22028382).

Almost surely, 2^166436562 is an apocalyptic number.

166436562 is an abundant number, since it is smaller than the sum of its proper divisors (186017550).

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

166436562 is a wasteful number, since it uses less digits than its factorization.

166436562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631753.

The product of its digits is 155520, while the sum is 39.

The square root of 166436562 is about 12901.0294938040. The cubic root of 166436562 is about 550.0678285493.

It can be divided in two parts, 1664 and 36562, that added together give a triangular number (38226 = T₂₇₆).

The spelling of 166436562 in words is "one hundred sixty-six million, four hundred thirty-six thousand, five hundred sixty-two".