1662125498 has 16 divisors (see below), whose sum is σ = 2838096576. Its totient is φ = 722663040.

The previous prime is 1662125473. The next prime is 1662125501. The reversal of 1662125498 is 8945212661.

It is a super-2 number, since 2×1662125498² = 5525322342203496008, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1641911 + ... + 1642922.

It is an arithmetic number, because the mean of its divisors is an integer number (177381036).

Almost surely, 2^1662125498 is an apocalyptic number.

1662125498 is a deficient number, since it is larger than the sum of its proper divisors (1175971078).

1662125498 is a wasteful number, since it uses less digits than its factorization.

1662125498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284869.

The product of its digits is 207360, while the sum is 44.

The square root of 1662125498 is about 40769.1733789146. The cubic root of 1662125498 is about 1184.5532918384.

The spelling of 1662125498 in words is "one billion, six hundred sixty-two million, one hundred twenty-five thousand, four hundred ninety-eight".