1672657304136 has 128 divisors (see below), whose sum is σ = 5158103328000. Its totient is φ = 440157634560.

The previous prime is 1672657304119. The next prime is 1672657304147. The reversal of 1672657304136 is 6314037562761.

It is a super-2 number, since 2×1672657304136² (a number of 25 digits) contains 22 as substring.

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, 127756 + ... + 1833476.

It is an arithmetic number, because the mean of its divisors is an integer number (40297682250).

Almost surely, 2^{1672657304136} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1672657304136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2579051664000).

1672657304136 is an abundant number, since it is smaller than the sum of its proper divisors (3485446023864).

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

1672657304136 is a wasteful number, since it uses less digits than its factorization.

1672657304136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706199 (or 1706195 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 51.

The spelling of 1672657304136 in words is "one trillion, six hundred seventy-two billion, six hundred fifty-seven million, three hundred four thousand, one hundred thirty-six".