171070156948 has 12 divisors (see below), whose sum is σ = 299516098420. Its totient is φ = 85494128832.

The previous prime is 171070156909. The next prime is 171070156981. The reversal of 171070156948 is 849651070171.

It can be written as a sum of positive squares in 2 ways, for example, as 66852239364 + 104217917584 = 258558^2 + 322828^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10228011 + ... + 10244722.

Almost surely, 2^171070156948 is an apocalyptic number.

It is an amenable number.

171070156948 is a deficient number, since it is larger than the sum of its proper divisors (128445941472).

171070156948 is a wasteful number, since it uses less digits than its factorization.

171070156948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20474826 (or 20474824 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 49.

The spelling of 171070156948 in words is "one hundred seventy-one billion, seventy million, one hundred fifty-six thousand, nine hundred forty-eight".