351679616 has 16 divisors (see below), whose sum is σ = 700611990. Its totient is φ = 175839744.

The previous prime is 351679609. The next prime is 351679619. The reversal of 351679616 is 616976153.

It can be written as a sum of positive squares in only one way, i.e., 285745216 + 65934400 = 16904^2 + 8120^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (351679619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1373621 + ... + 1373876.

Almost surely, 2^351679616 is an apocalyptic number.

It is an amenable number.

351679616 is a deficient number, since it is larger than the sum of its proper divisors (348932374).

351679616 is an equidigital number, since it uses as much as digits as its factorization.

351679616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747511 (or 2747499 counting only the distinct ones).

The product of its digits is 204120, while the sum is 44.

The square root of 351679616 is about 18753.1228332777. The cubic root of 351679616 is about 705.8553847823.

The spelling of 351679616 in words is "three hundred fifty-one million, six hundred seventy-nine thousand, six hundred sixteen".