161662302 has 24 divisors (see below), whose sum is σ = 350578800. Its totient is φ = 53839680.

The previous prime is 161662297. The next prime is 161662339. The reversal of 161662302 is 203266161.

161662302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161662302² = 52269399775878408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21199 + ... + 27797.

It is an arithmetic number, because the mean of its divisors is an integer number (14607450).

Almost surely, 2^161662302 is an apocalyptic number.

161662302 is an abundant number, since it is smaller than the sum of its proper divisors (188916498).

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

161662302 is a wasteful number, since it uses less digits than its factorization.

161662302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7968 (or 7965 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 161662302 is about 12714.6491103766. The cubic root of 161662302 is about 544.7571254596.

The spelling of 161662302 in words is "one hundred sixty-one million, six hundred sixty-two thousand, three hundred two".