168625061 has 4 divisors (see below), whose sum is σ = 183954624. Its totient is φ = 153295500.

The previous prime is 168625043. The next prime is 168625069. The reversal of 168625061 is 160526861.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 168625061 - 2¹⁴ = 168608677 is a prime.

It is a super-2 number, since 2×168625061² = 56868822394507442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168625069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7664765 + ... + 7664786.

It is an arithmetic number, because the mean of its divisors is an integer number (45988656).

Almost surely, 2^168625061 is an apocalyptic number.

168625061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

168625061 is a deficient number, since it is larger than the sum of its proper divisors (15329563).

168625061 is a wasteful number, since it uses less digits than its factorization.

168625061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15329562.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 168625061 is about 12985.5712619815. The cubic root of 168625061 is about 552.4683120992.

The spelling of 168625061 in words is "one hundred sixty-eight million, six hundred twenty-five thousand, sixty-one".