1672619716740 has 576 divisors, whose sum is σ = 5862916878336. Its totient is φ = 354405123072.

The previous prime is 1672619716627. The next prime is 1672619716741. The reversal of 1672619716740 is 476179162761.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1672619716741) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 297457569 + ... + 297463191.

It is an arithmetic number, because the mean of its divisors is an integer number (10178675136).

Almost surely, 2^{1672619716740} is an apocalyptic number.

1672619716740 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 1672619716740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2931458439168).

1672619716740 is an abundant number, since it is smaller than the sum of its proper divisors (4190297161596).

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

1672619716740 is a wasteful number, since it uses less digits than its factorization.

1672619716740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5808 (or 5799 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 57.

The spelling of 1672619716740 in words is "one trillion, six hundred seventy-two billion, six hundred nineteen million, seven hundred sixteen thousand, seven hundred forty".