163506532402054 has 16 divisors (see below), whose sum is σ = 261901453461120. Its totient is φ = 76387923924480.

The previous prime is 163506532402043. The next prime is 163506532402097. The reversal of 163506532402054 is 450204235605361.

It is a super-2 number, since 2×163506532402054² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163506532401995 and 163506532402013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45469000539 + ... + 45469004134.

It is an arithmetic number, because the mean of its divisors is an integer number (16368840841320).

Almost surely, 2^{163506532402054} is an apocalyptic number.

163506532402054 is a deficient number, since it is larger than the sum of its proper divisors (98394921059066).

163506532402054 is a wasteful number, since it uses less digits than its factorization.

163506532402054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90938004735.

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 163506532402054 in words is "one hundred sixty-three trillion, five hundred six billion, five hundred thirty-two million, four hundred two thousand, fifty-four".