36531225646 has 8 divisors (see below), whose sum is σ = 54799895304. Its totient is φ = 18264593880.

The previous prime is 36531225629. The next prime is 36531225671. The reversal of 36531225646 is 64652213563.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463840 + ... + 536851.

It is an arithmetic number, because the mean of its divisors is an integer number (6849986913).

Almost surely, 2^36531225646 is an apocalyptic number.

36531225646 is a deficient number, since it is larger than the sum of its proper divisors (18268669658).

36531225646 is a wasteful number, since it uses less digits than its factorization.

36531225646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018946.

The product of its digits is 777600, while the sum is 43.

The spelling of 36531225646 in words is "thirty-six billion, five hundred thirty-one million, two hundred twenty-five thousand, six hundred forty-six".