1672307545880 has 128 divisors (see below), whose sum is σ = 3977959265280. Its totient is φ = 631897459200.

The previous prime is 1672307545879. The next prime is 1672307545891. The reversal of 1672307545880 is 885457032761.

It is a super-2 number, since 2×1672307545880² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10549205 + ... + 10706555.

It is an arithmetic number, because the mean of its divisors is an integer number (31077806760).

Almost surely, 2^{1672307545880} is an apocalyptic number.

1672307545880 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 1672307545880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1988979632640).

1672307545880 is an abundant number, since it is smaller than the sum of its proper divisors (2305651719400).

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

1672307545880 is a wasteful number, since it uses less digits than its factorization.

1672307545880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157609 (or 157605 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 56.

The spelling of 1672307545880 in words is "one trillion, six hundred seventy-two billion, three hundred seven million, five hundred forty-five thousand, eight hundred eighty".