164823850 has 12 divisors (see below), whose sum is σ = 306572454. Its totient is φ = 65929520.

The previous prime is 164823829. The next prime is 164823889. The reversal of 164823850 is 58328461.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 139452481 + 25371369 = 11809^2 + 5037^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1648189 + ... + 1648288.

Almost surely, 2^164823850 is an apocalyptic number.

164823850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164823850 is a deficient number, since it is larger than the sum of its proper divisors (141748604).

164823850 is a wasteful number, since it uses less digits than its factorization.

164823850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296489 (or 3296484 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 164823850 is about 12838.3741182441. The cubic root of 164823850 is about 548.2854041947.

The spelling of 164823850 in words is "one hundred sixty-four million, eight hundred twenty-three thousand, eight hundred fifty".