2072156494 has 8 divisors (see below), whose sum is σ = 3109366368. Its totient is φ = 1035701040.

The previous prime is 2072156483. The next prime is 2072156507. The reversal of 2072156494 is 4946512702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181687 + ... + 192754.

It is an arithmetic number, because the mean of its divisors is an integer number (388670796).

Almost surely, 2^2072156494 is an apocalyptic number.

2072156494 is a deficient number, since it is larger than the sum of its proper divisors (1037209874).

2072156494 is a wasteful number, since it uses less digits than its factorization.

2072156494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377210.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2072156494 is about 45520.9456624091. The cubic root of 2072156494 is about 1274.8943127057.

The spelling of 2072156494 in words is "two billion, seventy-two million, one hundred fifty-six thousand, four hundred ninety-four".