1566151056602 has 48 divisors (see below), whose sum is σ = 2612788132416. Its totient is φ = 703505088000.

The previous prime is 1566151056593. The next prime is 1566151056653. The reversal of 1566151056602 is 2066501516651.

It is a happy number.

It is a super-2 number, since 2×1566151056602² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6941573 + ... + 7163639.

It is an arithmetic number, because the mean of its divisors is an integer number (54433086092).

Almost surely, 2^{1566151056602} is an apocalyptic number.

1566151056602 is a deficient number, since it is larger than the sum of its proper divisors (1046637075814).

1566151056602 is a wasteful number, since it uses less digits than its factorization.

1566151056602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222435 (or 222424 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 1566151056602 in words is "one trillion, five hundred sixty-six billion, one hundred fifty-one million, fifty-six thousand, six hundred two".