3661000550650 has 24 divisors (see below), whose sum is σ = 6845112670464. Its totient is φ = 1456733199600.

The previous prime is 3661000550629. The next prime is 3661000550657. The reversal of 3661000550650 is 560550001663.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3661000550657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191665872 + ... + 191684971.

It is an arithmetic number, because the mean of its divisors is an integer number (285213027936).

Almost surely, 2^{3661000550650} is an apocalyptic number.

3661000550650 is a deficient number, since it is larger than the sum of its proper divisors (3184112119814).

3661000550650 is a wasteful number, since it uses less digits than its factorization.

3661000550650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383351046 (or 383351041 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 3661000550650 in words is "three trillion, six hundred sixty-one billion, five hundred fifty thousand, six hundred fifty".