161662702 has 8 divisors (see below), whose sum is σ = 242943912. Its totient is φ = 80681400.

The previous prime is 161662663. The next prime is 161662703. The reversal of 161662702 is 207266161.

It is a happy number.

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

It is a super-2 number, since 2×161662702² = 52269658435881608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161662703) 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, 73624 + ... + 75787.

It is an arithmetic number, because the mean of its divisors is an integer number (30367989).

Almost surely, 2^161662702 is an apocalyptic number.

161662702 is a deficient number, since it is larger than the sum of its proper divisors (81281210).

161662702 is a wasteful number, since it uses less digits than its factorization.

161662702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149954.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 161662702 is about 12714.6648402543. The cubic root of 161662702 is about 544.7575747555.

The spelling of 161662702 in words is "one hundred sixty-one million, six hundred sixty-two thousand, seven hundred two".