161202070 has 8 divisors (see below), whose sum is σ = 290163744. Its totient is φ = 64480824.

The previous prime is 161202059. The next prime is 161202079. The reversal of 161202070 is 70202161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×161202070² = 51972214744569800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161202079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8060094 + ... + 8060113.

It is an arithmetic number, because the mean of its divisors is an integer number (36270468).

Almost surely, 2^161202070 is an apocalyptic number.

161202070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161202070 is a deficient number, since it is larger than the sum of its proper divisors (128961674).

161202070 is a wasteful number, since it uses less digits than its factorization.

161202070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16120214.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 161202070 is about 12696.5377170314. The cubic root of 161202070 is about 544.2396827145.

Subtracting from 161202070 its reverse (70202161), we obtain a palindrome (90999909).

The spelling of 161202070 in words is "one hundred sixty-one million, two hundred two thousand, seventy".