53661662134 has 16 divisors (see below), whose sum is σ = 81590541120. Its totient is φ = 26465474880.

The previous prime is 53661662101. The next prime is 53661662221. The reversal of 53661662134 is 43126616635.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1177 + ... + 327604.

It is an arithmetic number, because the mean of its divisors is an integer number (5099408820).

Almost surely, 2^53661662134 is an apocalyptic number.

53661662134 is a deficient number, since it is larger than the sum of its proper divisors (27928878986).

53661662134 is a wasteful number, since it uses less digits than its factorization.

53661662134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329895.

The product of its digits is 466560, while the sum is 43.

The spelling of 53661662134 in words is "fifty-three billion, six hundred sixty-one million, six hundred sixty-two thousand, one hundred thirty-four".