163426534 has 24 divisors (see below), whose sum is σ = 252640080. Its totient is φ = 79277616.

The previous prime is 163426469. The next prime is 163426541. The reversal of 163426534 is 435624361.

It is a self number, because there is not a number n which added to its sum of digits gives 163426534.

It is a congruent number.

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, 978519 + ... + 978685.

It is an arithmetic number, because the mean of its divisors is an integer number (10526670).

Almost surely, 2^163426534 is an apocalyptic number.

163426534 is a deficient number, since it is larger than the sum of its proper divisors (89213546).

163426534 is a wasteful number, since it uses less digits than its factorization.

163426534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 345 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 163426534 is about 12783.8387818370. The cubic root of 163426534 is about 546.7316177206.

The spelling of 163426534 in words is "one hundred sixty-three million, four hundred twenty-six thousand, five hundred thirty-four".