16661062152502 has 8 divisors (see below), whose sum is σ = 25001831496312. Its totient is φ = 8327118320400.

The previous prime is 16661062152499. The next prime is 16661062152509. The reversal of 16661062152502 is 20525126016661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16661062152509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706371824 + ... + 1706381587.

It is an arithmetic number, because the mean of its divisors is an integer number (3125228937039).

Almost surely, 2^{16661062152502} is an apocalyptic number.

16661062152502 is a deficient number, since it is larger than the sum of its proper divisors (8340769343810).

16661062152502 is a wasteful number, since it uses less digits than its factorization.

16661062152502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412755854.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 16661062152502 in words is "sixteen trillion, six hundred sixty-one billion, sixty-two million, one hundred fifty-two thousand, five hundred two".