1906971172080 has 320 divisors, whose sum is σ = 6431129714688. Its totient is φ = 464648970240.

The previous prime is 1906971172049. The next prime is 1906971172189. The reversal of 1906971172080 is 802711796091.

It is a happy number.

It is a super-2 number, since 2×1906971172080² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 181076415 + ... + 181086945.

Almost surely, 2^{1906971172080} is an apocalyptic number.

1906971172080 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 1906971172080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3215564857344).

1906971172080 is an abundant number, since it is smaller than the sum of its proper divisors (4524158542608).

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

1906971172080 is a wasteful number, since it uses less digits than its factorization.

1906971172080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11144 (or 11138 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 51.

The spelling of 1906971172080 in words is "one trillion, nine hundred six billion, nine hundred seventy-one million, one hundred seventy-two thousand, eighty".