161330462 has 4 divisors (see below), whose sum is σ = 241995696. Its totient is φ = 80665230.

The previous prime is 161330443. The next prime is 161330473. The reversal of 161330462 is 264033161.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40332614 + ... + 40332617.

It is an arithmetic number, because the mean of its divisors is an integer number (60498924).

Almost surely, 2^161330462 is an apocalyptic number.

161330462 is a deficient number, since it is larger than the sum of its proper divisors (80665234).

161330462 is an equidigital number, since it uses as much as digits as its factorization.

161330462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80665233.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 161330462 is about 12701.5928922321. The cubic root of 161330462 is about 544.3841338750.

The spelling of 161330462 in words is "one hundred sixty-one million, three hundred thirty thousand, four hundred sixty-two".