1663006502 has 16 divisors (see below), whose sum is σ = 2639416560. Its totient is φ = 783654912.

The previous prime is 1663006489. The next prime is 1663006507. The reversal of 1663006502 is 2056003661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663006507) 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, 106043 + ... + 120710.

It is an arithmetic number, because the mean of its divisors is an integer number (164963535).

Almost surely, 2^1663006502 is an apocalyptic number.

1663006502 is a deficient number, since it is larger than the sum of its proper divisors (976410058).

1663006502 is a wasteful number, since it uses less digits than its factorization.

1663006502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226967.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1663006502 is about 40779.9767287820. The cubic root of 1663006502 is about 1184.7625443605.

The spelling of 1663006502 in words is "one billion, six hundred sixty-three million, six thousand, five hundred two".