2137691801366 has 8 divisors (see below), whose sum is σ = 3498041129544. Its totient is φ = 971678091520.

The previous prime is 2137691801363. The next prime is 2137691801381. The reversal of 2137691801366 is 6631081967312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137691801363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48583904555 + ... + 48583904598.

It is an arithmetic number, because the mean of its divisors is an integer number (437255141193).

Almost surely, 2^{2137691801366} is an apocalyptic number.

2137691801366 is a deficient number, since it is larger than the sum of its proper divisors (1360349328178).

2137691801366 is a wasteful number, since it uses less digits than its factorization.

2137691801366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97167809166.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 2137691801366 in words is "two trillion, one hundred thirty-seven billion, six hundred ninety-one million, eight hundred one thousand, three hundred sixty-six".