345706646654 has 16 divisors (see below), whose sum is σ = 556151708880. Its totient is φ = 160666047360.

The previous prime is 345706646639. The next prime is 345706646723. The reversal of 345706646654 is 456646607543.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 345706646654.

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, 85823867 + ... + 85827894.

It is an arithmetic number, because the mean of its divisors is an integer number (34759481805).

Almost surely, 2^345706646654 is an apocalyptic number.

345706646654 is a deficient number, since it is larger than the sum of its proper divisors (210445062226).

345706646654 is a wasteful number, since it uses less digits than its factorization.

345706646654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171651835.

The product of its (nonzero) digits is 43545600, while the sum is 56.

The spelling of 345706646654 in words is "three hundred forty-five billion, seven hundred six million, six hundred forty-six thousand, six hundred fifty-four".