161497038 has 16 divisors (see below), whose sum is σ = 323118720. Its totient is φ = 53811576.

The previous prime is 161497031. The next prime is 161497087. The reversal of 161497038 is 830794161.

It is a junction number, because it is equal to n+sod(n) for n = 161496987 and 161497005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161497031) 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, 27093 + ... + 32511.

It is an arithmetic number, because the mean of its divisors is an integer number (20194920).

Almost surely, 2^161497038 is an apocalyptic number.

161497038 is an abundant number, since it is smaller than the sum of its proper divisors (161621682).

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

161497038 is a wasteful number, since it uses less digits than its factorization.

161497038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10391.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 161497038 is about 12708.1484882732. The cubic root of 161497038 is about 544.5714308850.

The spelling of 161497038 in words is "one hundred sixty-one million, four hundred ninety-seven thousand, thirty-eight".