345604621916 has 12 divisors (see below), whose sum is σ = 617676345888. Its totient is φ = 169125665952.

The previous prime is 345604621891. The next prime is 345604621933. The reversal of 345604621916 is 619126406543.

It is a super-2 number, since 2×345604621916² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919161041 + ... + 919161416.

It is an arithmetic number, because the mean of its divisors is an integer number (51473028824).

Almost surely, 2^345604621916 is an apocalyptic number.

It is an amenable number.

345604621916 is a deficient number, since it is larger than the sum of its proper divisors (272071723972).

345604621916 is a wasteful number, since it uses less digits than its factorization.

345604621916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838322508 (or 1838322506 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 345604621916 in words is "three hundred forty-five billion, six hundred four million, six hundred twenty-one thousand, nine hundred sixteen".