1658425272 has 128 divisors (see below), whose sum is σ = 4836464640. Its totient is φ = 464112000.

The previous prime is 1658425267. The next prime is 1658425283. The reversal of 1658425272 is 2725248561.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2824963 + ... + 2825549.

It is an arithmetic number, because the mean of its divisors is an integer number (37784880).

Almost surely, 2^1658425272 is an apocalyptic number.

1658425272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1658425272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2418232320).

1658425272 is an abundant number, since it is smaller than the sum of its proper divisors (3178039368).

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

1658425272 is a wasteful number, since it uses less digits than its factorization.

1658425272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921 (or 917 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 1658425272 is about 40723.7679003306. The cubic root of 1658425272 is about 1183.6736207008.

The spelling of 1658425272 in words is "one billion, six hundred fifty-eight million, four hundred twenty-five thousand, two hundred seventy-two".