1167015767640 has 64 divisors (see below), whose sum is σ = 3520606291200. Its totient is φ = 309465628032.

The previous prime is 1167015767597. The next prime is 1167015767669. The reversal of 1167015767640 is 467675107611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27143692 + ... + 27186651.

It is an arithmetic number, because the mean of its divisors is an integer number (55009473300).

Almost surely, 2^{1167015767640} is an apocalyptic number.

1167015767640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1167015767640 is an abundant number, since it is smaller than the sum of its proper divisors (2353590523560).

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

1167015767640 is a wasteful number, since it uses less digits than its factorization.

1167015767640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54330536 (or 54330532 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 51.

The spelling of 1167015767640 in words is "one trillion, one hundred sixty-seven billion, fifteen million, seven hundred sixty-seven thousand, six hundred forty".