1672997391360 has 264 divisors, whose sum is σ = 5853189507360. Its totient is φ = 441799999488.

The previous prime is 1672997391353. The next prime is 1672997391379. The reversal of 1672997391360 is 631937992761.

1672997391360 is a `hidden beast` number, since 167 + 29 + 9 + 7 + 3 + 91 + 360 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4569996 + ... + 4922484.

Almost surely, 2^{1672997391360} is an apocalyptic number.

1672997391360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1672997391360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2926594753680).

1672997391360 is an abundant number, since it is smaller than the sum of its proper divisors (4180192116000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1672997391360 is a wasteful number, since it uses less digits than its factorization.

1672997391360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352623 (or 352602 counting only the distinct ones).

The product of its (nonzero) digits is 23147208, while the sum is 63.

The spelling of 1672997391360 in words is "one trillion, six hundred seventy-two billion, nine hundred ninety-seven million, three hundred ninety-one thousand, three hundred sixty".