1610655165078 has 16 divisors (see below), whose sum is σ = 3221322768576. Its totient is φ = 536882981960.

The previous prime is 1610655164999. The next prime is 1610655165089. The reversal of 1610655165078 is 8705615560161.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1610655165078.

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, 2768725 + ... + 3299567.

It is an arithmetic number, because the mean of its divisors is an integer number (201332673036).

Almost surely, 2^{1610655165078} is an apocalyptic number.

1610655165078 is an abundant number, since it is smaller than the sum of its proper divisors (1610667603498).

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

1610655165078 is a wasteful number, since it uses less digits than its factorization.

1610655165078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036539.

The product of its (nonzero) digits is 1512000, while the sum is 51.

The spelling of 1610655165078 in words is "one trillion, six hundred ten billion, six hundred fifty-five million, one hundred sixty-five thousand, seventy-eight".