37661533106 has 4 divisors (see below), whose sum is σ = 56492299662. Its totient is φ = 18830766552.

The previous prime is 37661533099. The next prime is 37661533127. The reversal of 37661533106 is 60133516673.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60133516673 = 59 ⋅1019212147.

It can be written as a sum of positive squares in only one way, i.e., 33994140625 + 3667392481 = 184375^2 + 60559^2 .

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 as a sum of consecutive naturals, namely, 9415383275 + ... + 9415383278.

Almost surely, 2^37661533106 is an apocalyptic number.

37661533106 is a deficient number, since it is larger than the sum of its proper divisors (18830766556).

37661533106 is a wasteful number, since it uses less digits than its factorization.

37661533106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18830766555.

The product of its (nonzero) digits is 204120, while the sum is 41.

The spelling of 37661533106 in words is "thirty-seven billion, six hundred sixty-one million, five hundred thirty-three thousand, one hundred six".