164686054 has 16 divisors (see below), whose sum is σ = 268522128. Its totient is φ = 75297312.

The previous prime is 164686019. The next prime is 164686061. The reversal of 164686054 is 450686461.

It is a happy number.

164686054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 164685998 and 164686016.

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, 26817 + ... + 32380.

It is an arithmetic number, because the mean of its divisors is an integer number (16782633).

Almost surely, 2^164686054 is an apocalyptic number.

164686054 is a deficient number, since it is larger than the sum of its proper divisors (103836074).

164686054 is a wasteful number, since it uses less digits than its factorization.

164686054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59319.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 164686054 is about 12833.0064287368. The cubic root of 164686054 is about 548.1325691134.

It can be divided in two parts, 16468 and 6054, that added together give a palindrome (22522).

The spelling of 164686054 in words is "one hundred sixty-four million, six hundred eighty-six thousand, fifty-four".