351347661 has 24 divisors (see below), whose sum is σ = 585434304. Its totient is φ = 198889920.

The previous prime is 351347651. The next prime is 351347663. The reversal of 351347661 is 166743153.

It is not a de Polignac number, because 351347661 - 2⁵ = 351347629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351347663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19320 + ... + 32801.

It is an arithmetic number, because the mean of its divisors is an integer number (24393096).

Almost surely, 2^351347661 is an apocalyptic number.

It is an amenable number.

351347661 is a deficient number, since it is larger than the sum of its proper divisors (234086643).

351347661 is a wasteful number, since it uses less digits than its factorization.

351347661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52241 (or 52238 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 351347661 is about 18744.2700844818. The cubic root of 351347661 is about 705.6332261511.

The spelling of 351347661 in words is "three hundred fifty-one million, three hundred forty-seven thousand, six hundred sixty-one".