1972837666801 has 8 divisors (see below), whose sum is σ = 1973385417600. Its totient is φ = 1972290006960.

The previous prime is 1972837666799. The next prime is 1972837666831. The reversal of 1972837666801 is 1086667382791.

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

It is a cyclic number.

It is not a de Polignac number, because 1972837666801 - 2¹ = 1972837666799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1972837666831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68299480 + ... + 68328358.

It is an arithmetic number, because the mean of its divisors is an integer number (246673177200).

Almost surely, 2^{1972837666801} is an apocalyptic number.

It is an amenable number.

1972837666801 is a deficient number, since it is larger than the sum of its proper divisors (547750799).

1972837666801 is an equidigital number, since it uses as much as digits as its factorization.

1972837666801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45479.

The product of its (nonzero) digits is 36578304, while the sum is 64.

The spelling of 1972837666801 in words is "one trillion, nine hundred seventy-two billion, eight hundred thirty-seven million, six hundred sixty-six thousand, eight hundred one".