1658159472 has 20 divisors (see below), whose sum is σ = 4283578760. Its totient is φ = 552719808.

The previous prime is 1658159467. The next prime is 1658159473. The reversal of 1658159472 is 2749518561.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 34544989 = 1658159472 / (1 + 6 + 5 + 8 + 1 + 5 + 9 + 4 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1658159473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17272447 + ... + 17272542.

It is an arithmetic number, because the mean of its divisors is an integer number (214178938).

Almost surely, 2^1658159472 is an apocalyptic number.

1658159472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1658159472 is an abundant number, since it is smaller than the sum of its proper divisors (2625419288).

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

1658159472 is a wasteful number, since it uses less digits than its factorization.

1658159472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34545000 (or 34544994 counting only the distinct ones).

The product of its digits is 604800, while the sum is 48.

The square root of 1658159472 is about 40720.5043190774. The cubic root of 1658159472 is about 1183.6103805369.

The spelling of 1658159472 in words is "one billion, six hundred fifty-eight million, one hundred fifty-nine thousand, four hundred seventy-two".