66110157522502 has 4 divisors (see below), whose sum is σ = 99165236283756. Its totient is φ = 33055078761250.

The previous prime is 66110157522457. The next prime is 66110157522529. The reversal of 66110157522502 is 20522575101166.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16527539380624 + ... + 16527539380627.

It is an arithmetic number, because the mean of its divisors is an integer number (24791309070939).

Almost surely, 2^{66110157522502} is an apocalyptic number.

66110157522502 is a deficient number, since it is larger than the sum of its proper divisors (33055078761254).

66110157522502 is a wasteful number, since it uses less digits than its factorization.

66110157522502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33055078761253.

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 66110157522502 in words is "sixty-six trillion, one hundred ten billion, one hundred fifty-seven million, five hundred twenty-two thousand, five hundred two".