1018687740667 has 16 divisors (see below), whose sum is σ = 1024361834400. Its totient is φ = 1013030576640.

The previous prime is 1018687740661. The next prime is 1018687740757. The reversal of 1018687740667 is 7660477868101.

It is a cyclic number.

It is not a de Polignac number, because 1018687740667 - 2¹¹ = 1018687738619 is a prime.

It is a super-3 number, since 3×1018687740667³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1018687740661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610357309 + ... + 610358977.

It is an arithmetic number, because the mean of its divisors is an integer number (64022614650).

Almost surely, 2^{1018687740667} is an apocalyptic number.

1018687740667 is a deficient number, since it is larger than the sum of its proper divisors (5674093733).

1018687740667 is a wasteful number, since it uses less digits than its factorization.

1018687740667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4926.

The product of its (nonzero) digits is 18966528, while the sum is 61.

The spelling of 1018687740667 in words is "one trillion, eighteen billion, six hundred eighty-seven million, seven hundred forty thousand, six hundred sixty-seven".