36661505510 has 192 divisors, whose sum is σ = 81192222720. Its totient is φ = 11869079040.

The previous prime is 36661505509. The next prime is 36661505557. The reversal of 36661505510 is 1550516663.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 164401259 + ... + 164401481.

It is an arithmetic number, because the mean of its divisors is an integer number (422876160).

Almost surely, 2^36661505510 is an apocalyptic number.

36661505510 is an abundant number, since it is smaller than the sum of its proper divisors (44530717210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36661505510 is a wasteful number, since it uses less digits than its factorization.

36661505510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 36661505510 in words is "thirty-six billion, six hundred sixty-one million, five hundred five thousand, five hundred ten".