161386070 has 16 divisors (see below), whose sum is σ = 290932560. Its totient is φ = 64457184.

The previous prime is 161386061. The next prime is 161386079. The reversal of 161386070 is 70683161.

It is an interprime number because it is at equal distance from previous prime (161386061) and next prime (161386079).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161386079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4985 + ... + 18644.

It is an arithmetic number, because the mean of its divisors is an integer number (18183285).

Almost surely, 2^161386070 is an apocalyptic number.

161386070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161386070 is a deficient number, since it is larger than the sum of its proper divisors (129546490).

161386070 is a wasteful number, since it uses less digits than its factorization.

161386070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24319.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 161386070 is about 12703.7817204170. The cubic root of 161386070 is about 544.4466734911.

The spelling of 161386070 in words is "one hundred sixty-one million, three hundred eighty-six thousand, seventy".