1662190327 has 16 divisors (see below), whose sum is σ = 1949516800. Its totient is φ = 1387526112.

The previous prime is 1662190291. The next prime is 1662190349. The reversal of 1662190327 is 7230912661.

It is not a de Polignac number, because 1662190327 - 2¹⁵ = 1662157559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662110327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97138 + ... + 112960.

It is an arithmetic number, because the mean of its divisors is an integer number (121844800).

Almost surely, 2^1662190327 is an apocalyptic number.

1662190327 is a deficient number, since it is larger than the sum of its proper divisors (287326473).

1662190327 is a wasteful number, since it uses less digits than its factorization.

1662190327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16222.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1662190327 is about 40769.9684449228. The cubic root of 1662190327 is about 1184.5686922814.

The spelling of 1662190327 in words is "one billion, six hundred sixty-two million, one hundred ninety thousand, three hundred twenty-seven".