2071591491708 has 48 divisors (see below), whose sum is σ = 5370870345120. Its totient is φ = 690520521600.

The previous prime is 2071591491667. The next prime is 2071591491719. The reversal of 2071591491708 is 8071941951702.

2071591491708 is a `hidden beast` number, since 2 + 0 + 7 + 1 + 591 + 49 + 1 + 7 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14474338 + ... + 14616758.

It is an arithmetic number, because the mean of its divisors is an integer number (111893132190).

Almost surely, 2^{2071591491708} is an apocalyptic number.

It is an amenable number.

2071591491708 is an abundant number, since it is smaller than the sum of its proper divisors (3299278853412).

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

2071591491708 is a wasteful number, since it uses less digits than its factorization.

2071591491708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277115 (or 277107 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 54.

The spelling of 2071591491708 in words is "two trillion, seventy-one billion, five hundred ninety-one million, four hundred ninety-one thousand, seven hundred eight".