166424536 has 8 divisors (see below), whose sum is σ = 312046020. Its totient is φ = 83212264.

The previous prime is 166424513. The next prime is 166424537. The reversal of 166424536 is 635424661.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 166424495 and 166424504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166424537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10401526 + ... + 10401541.

Almost surely, 2^166424536 is an apocalyptic number.

It is an amenable number.

166424536 is a deficient number, since it is larger than the sum of its proper divisors (145621484).

166424536 is a wasteful number, since it uses less digits than its factorization.

166424536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20803073 (or 20803069 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The square root of 166424536 is about 12900.5633985497. The cubic root of 166424536 is about 550.0545797075.

The spelling of 166424536 in words is "one hundred sixty-six million, four hundred twenty-four thousand, five hundred thirty-six".