36601772905 has 16 divisors (see below), whose sum is σ = 46985233680. Its totient is φ = 27274862592.

The previous prime is 36601772807. The next prime is 36601772941. The reversal of 36601772905 is 50927710663.

It can be written as a sum of positive squares in 8 ways, for example, as 1711642384 + 34890130521 = 41372^2 + 186789^2 .

It is a cyclic number.

It is not a de Polignac number, because 36601772905 - 2¹¹ = 36601770857 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 2211390 + ... + 2227879.

It is an arithmetic number, because the mean of its divisors is an integer number (2936577105).

Almost surely, 2^36601772905 is an apocalyptic number.

It is an amenable number.

36601772905 is a deficient number, since it is larger than the sum of its proper divisors (10383460775).

36601772905 is a wasteful number, since it uses less digits than its factorization.

36601772905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4439388.

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 36601772905 in words is "thirty-six billion, six hundred one million, seven hundred seventy-two thousand, nine hundred five".