1672611590 has 48 divisors (see below), whose sum is σ = 3286199808. Its totient is φ = 612638208.

The previous prime is 1672611583. The next prime is 1672611599. The reversal of 1672611590 is 951162761.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672611599) 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 23 ways as a sum of consecutive naturals, for example, 210734 + ... + 218526.

It is an arithmetic number, because the mean of its divisors is an integer number (68462496).

Almost surely, 2^1672611590 is an apocalyptic number.

1672611590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1672611590 is a deficient number, since it is larger than the sum of its proper divisors (1613588218).

1672611590 is a wasteful number, since it uses less digits than its factorization.

1672611590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7953 (or 7940 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 1672611590 is about 40897.5743779506. The cubic root of 1672611590 is about 1187.0391259019.

The spelling of 1672611590 in words is "one billion, six hundred seventy-two million, six hundred eleven thousand, five hundred ninety".