164498537 has 6 divisors (see below), whose sum is σ = 191355498. Its totient is φ = 140998704.

The previous prime is 164498513. The next prime is 164498539. The reversal of 164498537 is 735894461.

It can be written as a sum of positive squares in only one way, i.e., 124188736 + 40309801 = 11144^2 + 6349^2 .

It is not a de Polignac number, because 164498537 - 2¹² = 164494441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164498491 and 164498500.

It is not an unprimeable number, because it can be changed into a prime (164498539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1678508 + ... + 1678605.

It is an arithmetic number, because the mean of its divisors is an integer number (31892583).

Almost surely, 2^164498537 is an apocalyptic number.

It is an amenable number.

164498537 is a deficient number, since it is larger than the sum of its proper divisors (26856961).

164498537 is an equidigital number, since it uses as much as digits as its factorization.

164498537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357127 (or 3357120 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 164498537 is about 12825.6983045759. The cubic root of 164498537 is about 547.9244494653.

The spelling of 164498537 in words is "one hundred sixty-four million, four hundred ninety-eight thousand, five hundred thirty-seven".