1966915134 has 12 divisors (see below), whose sum is σ = 4261649496. Its totient is φ = 655638372.

The previous prime is 1966915129. The next prime is 1966915151. The reversal of 1966915134 is 4315196691.

It is a self number, because there is not a number n which added to its sum of digits gives 1966915134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54636514 + ... + 54636549.

It is an arithmetic number, because the mean of its divisors is an integer number (355137458).

Almost surely, 2^1966915134 is an apocalyptic number.

1966915134 is an abundant number, since it is smaller than the sum of its proper divisors (2294734362).

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

1966915134 is a wasteful number, since it uses less digits than its factorization.

1966915134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109273071 (or 109273068 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 1966915134 is about 44349.9169559538. The cubic root of 1966915134 is about 1252.9349984868.

The spelling of 1966915134 in words is "one billion, nine hundred sixty-six million, nine hundred fifteen thousand, one hundred thirty-four".