4156620456 has 32 divisors (see below), whose sum is σ = 10633217760. Its totient is φ = 1353317952.

The previous prime is 4156620439. The next prime is 4156620463. The reversal of 4156620456 is 6540266514.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2012835 + ... + 2014898.

It is an arithmetic number, because the mean of its divisors is an integer number (332288055).

Almost surely, 2^4156620456 is an apocalyptic number.

It is an amenable number.

4156620456 is an abundant number, since it is smaller than the sum of its proper divisors (6476597304).

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

4156620456 is a wasteful number, since it uses less digits than its factorization.

4156620456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027785 (or 4027781 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 4156620456 is about 64471.8578606201. The cubic root of 4156620456 is about 1607.8546655856.

The spelling of 4156620456 in words is "four billion, one hundred fifty-six million, six hundred twenty thousand, four hundred fifty-six".