1672165064 has 16 divisors (see below), whose sum is σ = 3146014620. Its totient is φ = 833227840.

The previous prime is 1672165057. The next prime is 1672165093. The reversal of 1672165064 is 4605612761.

It can be written as a sum of positive squares in 2 ways, for example, as 1669376164 + 2788900 = 40858^2 + 1670^2 .

It is a super-2 number, since 2×1672165064² = 5592272002524248192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354347 + ... + 359034.

Almost surely, 2^1672165064 is an apocalyptic number.

It is an amenable number.

1672165064 is a deficient number, since it is larger than the sum of its proper divisors (1473849556).

1672165064 is a wasteful number, since it uses less digits than its factorization.

1672165064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713680 (or 713676 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1672165064 is about 40892.1149367454. The cubic root of 1672165064 is about 1186.9334845184.

The spelling of 1672165064 in words is "one billion, six hundred seventy-two million, one hundred sixty-five thousand, sixty-four".