169897070 has 16 divisors (see below), whose sum is σ = 349502688. Its totient is φ = 58250400.

The previous prime is 169897043. The next prime is 169897093. The reversal of 169897070 is 70798961.

It is a congruent number.

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, 1213481 + ... + 1213620.

It is an arithmetic number, because the mean of its divisors is an integer number (21843918).

Almost surely, 2^169897070 is an apocalyptic number.

169897070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

169897070 is an abundant number, since it is smaller than the sum of its proper divisors (179605618).

169897070 is a wasteful number, since it uses less digits than its factorization.

169897070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427115.

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 169897070 is about 13034.4570274331. The cubic root of 169897070 is about 553.8539997652.

The spelling of 169897070 in words is "one hundred sixty-nine million, eight hundred ninety-seven thousand, seventy".