161675070 has 64 divisors (see below), whose sum is σ = 395055360. Its totient is φ = 42340608.

The previous prime is 161675053. The next prime is 161675081. The reversal of 161675070 is 70576161.

It is a super-2 number, since 2×161675070² = 52277656519009800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 571149 + ... + 571431.

It is an arithmetic number, because the mean of its divisors is an integer number (6172740).

Almost surely, 2^161675070 is an apocalyptic number.

161675070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161675070 is an abundant number, since it is smaller than the sum of its proper divisors (233380290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161675070 is a wasteful number, since it uses less digits than its factorization.

161675070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 161675070 is about 12715.1511984718. The cubic root of 161675070 is about 544.7714666217.

The spelling of 161675070 in words is "one hundred sixty-one million, six hundred seventy-five thousand, seventy".