2072156463 has 12 divisors (see below), whose sum is σ = 3223354680. Its totient is φ = 1275173136.

The previous prime is 2072156461. The next prime is 2072156479. The reversal of 2072156463 is 3646512702.

2072156463 is a `hidden beast` number, since 2 + 0 + 7 + 2 + 1 + 5 + 646 + 3 = 666.

It is not a de Polignac number, because 2072156463 - 2¹ = 2072156461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072156461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8855253 + ... + 8855486.

It is an arithmetic number, because the mean of its divisors is an integer number (268612890).

Almost surely, 2^2072156463 is an apocalyptic number.

2072156463 is a deficient number, since it is larger than the sum of its proper divisors (1151198217).

2072156463 is a wasteful number, since it uses less digits than its factorization.

2072156463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17710758 (or 17710755 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2072156463 is about 45520.9453219065. The cubic root of 2072156463 is about 1274.8943063481.

The spelling of 2072156463 in words is "two billion, seventy-two million, one hundred fifty-six thousand, four hundred sixty-three".