372665221901 has 8 divisors (see below), whose sum is σ = 439641921024. Its totient is φ = 309123225360.

The previous prime is 372665221889. The next prime is 372665221921. The reversal of 372665221901 is 109122566273.

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 372665221901 - 2²² = 372661027597 is a prime.

It is a super-2 number, since 2×372665221901² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372665221921) 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, 858675410 + ... + 858675843.

It is an arithmetic number, because the mean of its divisors is an integer number (54955240128).

Almost surely, 2^372665221901 is an apocalyptic number.

372665221901 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

372665221901 is a deficient number, since it is larger than the sum of its proper divisors (66976699123).

372665221901 is a wasteful number, since it uses less digits than its factorization.

372665221901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717351291.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 372665221901 in words is "three hundred seventy-two billion, six hundred sixty-five million, two hundred twenty-one thousand, nine hundred one".