36651370646 has 16 divisors (see below), whose sum is σ = 60146830800. Its totient is φ = 16611974880.

The previous prime is 36651370631. The next prime is 36651370783. The reversal of 36651370646 is 64607315663.

It is a self number, because there is not a number n which added to its sum of digits gives 36651370646.

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, 2379101 + ... + 2394456.

It is an arithmetic number, because the mean of its divisors is an integer number (3759176925).

Almost surely, 2^36651370646 is an apocalyptic number.

36651370646 is a deficient number, since it is larger than the sum of its proper divisors (23495460154).

36651370646 is a wasteful number, since it uses less digits than its factorization.

36651370646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4773919.

The product of its (nonzero) digits is 1632960, while the sum is 47.

The spelling of 36651370646 in words is "thirty-six billion, six hundred fifty-one million, three hundred seventy thousand, six hundred forty-six".