1656005151 has 8 divisors (see below), whose sum is σ = 2279233024. Its totient is φ = 1068390360.

The previous prime is 1656005123. The next prime is 1656005159. The reversal of 1656005151 is 1515006561.

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

It is not a de Polignac number, because 1656005151 - 2¹¹ = 1656003103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1656005159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8903161 + ... + 8903346.

It is an arithmetic number, because the mean of its divisors is an integer number (284904128).

Almost surely, 2^1656005151 is an apocalyptic number.

1656005151 is a deficient number, since it is larger than the sum of its proper divisors (623227873).

1656005151 is a wasteful number, since it uses less digits than its factorization.

1656005151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17806541.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 1656005151 is about 40694.0431881621. The cubic root of 1656005151 is about 1183.0975666155.

The spelling of 1656005151 in words is "one billion, six hundred fifty-six million, five thousand, one hundred fifty-one".