167720465 has 8 divisors (see below), whose sum is σ = 219561408. Its totient is φ = 121978480.

The previous prime is 167720417. The next prime is 167720471. The reversal of 167720465 is 564027761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 167720465 - 2¹⁴ = 167704081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1524677 + ... + 1524786.

It is an arithmetic number, because the mean of its divisors is an integer number (27445176).

Almost surely, 2^167720465 is an apocalyptic number.

It is an amenable number.

167720465 is a deficient number, since it is larger than the sum of its proper divisors (51840943).

167720465 is a wasteful number, since it uses less digits than its factorization.

167720465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049479.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 167720465 is about 12950.6936107685. The cubic root of 167720465 is about 551.4786273369.

The spelling of 167720465 in words is "one hundred sixty-seven million, seven hundred twenty thousand, four hundred sixty-five".