167149537 has 4 divisors (see below), whose sum is σ = 169982640. Its totient is φ = 164316436.

The previous prime is 167149513. The next prime is 167149547. The reversal of 167149537 is 735941761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 735941761 = 8707 ⋅84523.

It is a cyclic number.

It is not a de Polignac number, because 167149537 - 2²⁷ = 32931809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 167149493 and 167149502.

It is not an unprimeable number, because it can be changed into a prime (167149547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416463 + ... + 1416580.

It is an arithmetic number, because the mean of its divisors is an integer number (42495660).

Almost surely, 2^167149537 is an apocalyptic number.

It is an amenable number.

167149537 is a deficient number, since it is larger than the sum of its proper divisors (2833103).

167149537 is an equidigital number, since it uses as much as digits as its factorization.

167149537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833102.

The product of its digits is 158760, while the sum is 43.

The square root of 167149537 is about 12928.6324489483. The cubic root of 167149537 is about 550.8521632842.

The spelling of 167149537 in words is "one hundred sixty-seven million, one hundred forty-nine thousand, five hundred thirty-seven".