1165606511662 has 32 divisors (see below), whose sum is σ = 1821228033024. Its totient is φ = 559118095200.

The previous prime is 1165606511659. The next prime is 1165606511687. The reversal of 1165606511662 is 2661156065611.

It is a super-2 number, since 2×1165606511662² (a number of 25 digits) contains 22 as substring.

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, 649837 + ... + 1659367.

It is an arithmetic number, because the mean of its divisors is an integer number (56913376032).

Almost surely, 2^{1165606511662} is an apocalyptic number.

1165606511662 is a deficient number, since it is larger than the sum of its proper divisors (655621521362).

1165606511662 is a wasteful number, since it uses less digits than its factorization.

1165606511662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009824.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 1165606511662 in words is "one trillion, one hundred sixty-five billion, six hundred six million, five hundred eleven thousand, six hundred sixty-two".