2156460003 has 28 divisors (see below), whose sum is σ = 3240701280. Its totient is φ = 1434310416.

The previous prime is 2156460001. The next prime is 2156460023. The reversal of 2156460003 is 3000646512.

2156460003 is a `hidden beast` number, since 2 + 1 + 56 + 4 + 600 + 0 + 3 = 666.

It is not a de Polignac number, because 2156460003 - 2¹ = 2156460001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2156460001) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 334333 + ... + 340721.

Almost surely, 2^2156460003 is an apocalyptic number.

2156460003 is a deficient number, since it is larger than the sum of its proper divisors (1084241277).

2156460003 is an frugal number, since it uses more digits than its factorization.

2156460003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6870 (or 6855 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2156460003 is about 46437.7002337540. The cubic root of 2156460003 is about 1291.9542526703.

The spelling of 2156460003 in words is "two billion, one hundred fifty-six million, four hundred sixty thousand, three".