1672331148 has 36 divisors (see below), whose sum is σ = 4228981848. Its totient is φ = 557219520.

The previous prime is 1672331107. The next prime is 1672331161. The reversal of 1672331148 is 8411332761.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 98443 + ... + 114173.

It is an arithmetic number, because the mean of its divisors is an integer number (117471718).

Almost surely, 2^1672331148 is an apocalyptic number.

1672331148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1672331148 is an abundant number, since it is smaller than the sum of its proper divisors (2556650700).

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

1672331148 is a wasteful number, since it uses less digits than its factorization.

1672331148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18694 (or 18689 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1672331148 is about 40894.1456445785. The cubic root of 1672331148 is about 1186.9727797090.

The spelling of 1672331148 in words is "one billion, six hundred seventy-two million, three hundred thirty-one thousand, one hundred forty-eight".