164550738 has 16 divisors (see below), whose sum is σ = 359019936. Its totient is φ = 49863840.

The previous prime is 164550731. The next prime is 164550761. The reversal of 164550738 is 837055461.

164550738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×164550738³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164550696 and 164550705.

It is not an unprimeable number, because it can be changed into a prime (164550731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1246531 + ... + 1246662.

It is an arithmetic number, because the mean of its divisors is an integer number (22438746).

Almost surely, 2^164550738 is an apocalyptic number.

164550738 is an abundant number, since it is smaller than the sum of its proper divisors (194469198).

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

164550738 is a wasteful number, since it uses less digits than its factorization.

164550738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493209.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 164550738 is about 12827.7331590582. The cubic root of 164550738 is about 547.9824017117.

The spelling of 164550738 in words is "one hundred sixty-four million, five hundred fifty thousand, seven hundred thirty-eight".