161663034 has 24 divisors (see below), whose sum is σ = 350112672. Its totient is φ = 49742160.

The previous prime is 161663011. The next prime is 161663053. The reversal of 161663034 is 430366161.

It is a super-2 number, since 2×161663034² = 52269873124170312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161662992 and 161663010.

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, 78702 + ... + 80729.

It is an arithmetic number, because the mean of its divisors is an integer number (14588028).

Almost surely, 2^161663034 is an apocalyptic number.

161663034 is an abundant number, since it is smaller than the sum of its proper divisors (188449638).

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

161663034 is a wasteful number, since it uses less digits than its factorization.

161663034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159462 (or 159449 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 161663034 is about 12714.6778960381. The cubic root of 161663034 is about 544.7579476707.

The spelling of 161663034 in words is "one hundred sixty-one million, six hundred sixty-three thousand, thirty-four".