167070397 has 4 divisors (see below), whose sum is σ = 179921980. Its totient is φ = 154218816.

The previous prime is 167070391. The next prime is 167070419. The reversal of 167070397 is 793070761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 793070761 = 7 ⋅113295823.

It can be written as a sum of positive squares in 2 ways, for example, as 10169721 + 156900676 = 3189^2 + 12526^2 .

It is a cyclic number.

It is not a de Polignac number, because 167070397 - 2³ = 167070389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167070391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6425772 + ... + 6425797.

It is an arithmetic number, because the mean of its divisors is an integer number (44980495).

Almost surely, 2^167070397 is an apocalyptic number.

It is an amenable number.

167070397 is a deficient number, since it is larger than the sum of its proper divisors (12851583).

167070397 is a wasteful number, since it uses less digits than its factorization.

167070397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12851582.

The product of its (nonzero) digits is 55566, while the sum is 40.

The square root of 167070397 is about 12925.5714380448. The cubic root of 167070397 is about 550.7652125554.

The spelling of 167070397 in words is "one hundred sixty-seven million, seventy thousand, three hundred ninety-seven".