2071657172 has 48 divisors (see below), whose sum is σ = 4116235200. Its totient is φ = 904400640.

The previous prime is 2071657129. The next prime is 2071657193. The reversal of 2071657172 is 2717561702.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 847472 + ... + 849912.

It is an arithmetic number, because the mean of its divisors is an integer number (85754900).

Almost surely, 2^2071657172 is an apocalyptic number.

It is an amenable number.

2071657172 is a deficient number, since it is larger than the sum of its proper divisors (2044578028).

2071657172 is a wasteful number, since it uses less digits than its factorization.

2071657172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336 (or 3334 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 38.

The square root of 2071657172 is about 45515.4608017979. The cubic root of 2071657172 is about 1274.7919018568.

The spelling of 2071657172 in words is "two billion, seventy-one million, six hundred fifty-seven thousand, one hundred seventy-two".