37661533104 has 80 divisors (see below), whose sum is σ = 104829228000. Its totient is φ = 11582312448.

The previous prime is 37661533099. The next prime is 37661533127. The reversal of 37661533104 is 40133516673.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314322 + ... + 1342670.

It is an arithmetic number, because the mean of its divisors is an integer number (1310365350).

Almost surely, 2^37661533104 is an apocalyptic number.

It is an amenable number.

37661533104 is an abundant number, since it is smaller than the sum of its proper divisors (67167694896).

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

37661533104 is a wasteful number, since it uses less digits than its factorization.

37661533104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30502 (or 30496 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The spelling of 37661533104 in words is "thirty-seven billion, six hundred sixty-one million, five hundred thirty-three thousand, one hundred four".