161006712 has 16 divisors (see below), whose sum is σ = 402516840. Its totient is φ = 53668896.

The previous prime is 161006707. The next prime is 161006717. The reversal of 161006712 is 217600161.

It is an interprime number because it is at equal distance from previous prime (161006707) and next prime (161006717).

It is a super-2 number, since 2×161006712² = 51846322618101888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 6708613 = 161006712 / (1 + 6 + 1 + 0 + 0 + 6 + 7 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161006717) 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, 3354283 + ... + 3354330.

Almost surely, 2^161006712 is an apocalyptic number.

161006712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161006712 is an abundant number, since it is smaller than the sum of its proper divisors (241510128).

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

161006712 is a wasteful number, since it uses less digits than its factorization.

161006712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6708622 (or 6708618 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 161006712 is about 12688.8420275453. The cubic root of 161006712 is about 544.0197422910.

Adding to 161006712 its reverse (217600161), we get a palindrome (378606873).

The spelling of 161006712 in words is "one hundred sixty-one million, six thousand, seven hundred twelve".