1165747016640 has 448 divisors, whose sum is σ = 3972080301696. Its totient is φ = 288639418368.

The previous prime is 1165747016597. The next prime is 1165747016647. The reversal of 1165747016640 is 466107475611.

It is a super-2 number, since 2×1165747016640² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1165747016640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165747016647) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 429687924 + ... + 429690636.

Almost surely, 2^{1165747016640} is an apocalyptic number.

1165747016640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1165747016640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1986040150848).

1165747016640 is an abundant number, since it is smaller than the sum of its proper divisors (2806333285056).

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

1165747016640 is a wasteful number, since it uses less digits than its factorization.

1165747016640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096 (or 3086 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 1165747016640 in words is "one trillion, one hundred sixty-five billion, seven hundred forty-seven million, sixteen thousand, six hundred forty".