53166666135 has 192 divisors, whose sum is σ = 99745914240. Its totient is φ = 24127488000.

The previous prime is 53166666109. The next prime is 53166666149.

53166666135 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 53166666135 - 2¹² = 53166662039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 388077787 + ... + 388077923.

It is an arithmetic number, because the mean of its divisors is an integer number (519509970).

Almost surely, 2^53166666135 is an apocalyptic number.

53166666135 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53166666135 is a deficient number, since it is larger than the sum of its proper divisors (46579248105).

53166666135 is a wasteful number, since it uses less digits than its factorization.

53166666135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 359 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 48.

It can be divided in two parts, 531 and 66666135, that added together give a palindrome (66666666).

The spelling of 53166666135 in words is "fifty-three billion, one hundred sixty-six million, six hundred sixty-six thousand, one hundred thirty-five".