50661660105510 has 64 divisors (see below), whose sum is σ = 123810377375232. Its totient is φ = 13265078145536.

The previous prime is 50661660105509. The next prime is 50661660105523. The reversal of 50661660105510 is 1550106616605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69471114 + ... + 70196573.

It is an arithmetic number, because the mean of its divisors is an integer number (1934537146488).

Almost surely, 2^{50661660105510} is an apocalyptic number.

50661660105510 is an abundant number, since it is smaller than the sum of its proper divisors (73148717269722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50661660105510 is a wasteful number, since it uses less digits than its factorization.

50661660105510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139667917.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 50661660105510 in words is "fifty trillion, six hundred sixty-one billion, six hundred sixty million, one hundred five thousand, five hundred ten".