1672253566 has 16 divisors (see below), whose sum is σ = 2556923760. Its totient is φ = 820100800.

The previous prime is 1672253551. The next prime is 1672253567. The reversal of 1672253566 is 6653522761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672253567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17071 + ... + 60298.

It is an arithmetic number, because the mean of its divisors is an integer number (159807735).

Almost surely, 2^1672253566 is an apocalyptic number.

1672253566 is a deficient number, since it is larger than the sum of its proper divisors (884670194).

1672253566 is a wasteful number, since it uses less digits than its factorization.

1672253566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77579.

The product of its digits is 453600, while the sum is 43.

The square root of 1672253566 is about 40893.1970625922. The cubic root of 1672253566 is about 1186.9544242642.

The spelling of 1672253566 in words is "one billion, six hundred seventy-two million, two hundred fifty-three thousand, five hundred sixty-six".