161347430 has 16 divisors (see below), whose sum is σ = 305711280. Its totient is φ = 61142112.

The previous prime is 161347397. The next prime is 161347451. The reversal of 161347430 is 34743161.

161347430 is nontrivially palindromic in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 161347393 and 161347402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424409 + ... + 424788.

It is an arithmetic number, because the mean of its divisors is an integer number (19106955).

Almost surely, 2^161347430 is an apocalyptic number.

161347430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161347430 is a deficient number, since it is larger than the sum of its proper divisors (144363850).

161347430 is a wasteful number, since it uses less digits than its factorization.

161347430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849223.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 161347430 is about 12702.2608223891. The cubic root of 161347430 is about 544.4032184836.

The spelling of 161347430 in words is "one hundred sixty-one million, three hundred forty-seven thousand, four hundred thirty".