37666261401 has 16 divisors (see below), whose sum is σ = 51181382400. Its totient is φ = 24635040768.

The previous prime is 37666261343. The next prime is 37666261433. The reversal of 37666261401 is 10416266673.

It is not a de Polignac number, because 37666261401 - 2¹⁰ = 37666260377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (37666261441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468936 + ... + 543353.

It is an arithmetic number, because the mean of its divisors is an integer number (3198836400).

Almost surely, 2^37666261401 is an apocalyptic number.

It is an amenable number.

37666261401 is a deficient number, since it is larger than the sum of its proper divisors (13515120999).

37666261401 is a wasteful number, since it uses less digits than its factorization.

37666261401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012528.

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 37666261401 in words is "thirty-seven billion, six hundred sixty-six million, two hundred sixty-one thousand, four hundred one".