1670275161 has 45 divisors (see below), whose sum is σ = 2644399461. Its totient is φ = 1050496776.

The previous prime is 1670275141. The next prime is 1670275163. The reversal of 1670275161 is 1615720761.

The square root of 1670275161 is 40869.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1670275161 - 2¹¹ = 1670273113 is a prime.

It is a super-2 number, since 2×1670275161² = 5579638226907151842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1670275163) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 6988480 + ... + 6988718.

Almost surely, 2^1670275161 is an apocalyptic number.

1670275161 is the 40869-th square number.

1670275161 is the 20435-th centered octagonal number.

It is an amenable number.

1670275161 is a deficient number, since it is larger than the sum of its proper divisors (974124300).

1670275161 is an frugal number, since it uses more digits than its factorization.

1670275161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The cubic root of 1670275161 is about 1186.4861533256.

Multiplying 1670275161 by its sum of digits (36), we get a square (60129905796 = 245214²).

The spelling of 1670275161 in words is "one billion, six hundred seventy million, two hundred seventy-five thousand, one hundred sixty-one".