1018101968 has 60 divisors (see below), whose sum is σ = 2181699648. Its totient is φ = 459838080.

The previous prime is 1018101961. The next prime is 1018101971. The reversal of 1018101968 is 8691018101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018101961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123083 + ... + 131093.

Almost surely, 2^1018101968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1018101968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1090849824).

1018101968 is an abundant number, since it is smaller than the sum of its proper divisors (1163597680).

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

1018101968 is a wasteful number, since it uses less digits than its factorization.

1018101968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8092 (or 8073 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 35.

The square root of 1018101968 is about 31907.7101654130. The cubic root of 1018101968 is about 1005.9979420980.

The spelling of 1018101968 in words is "one billion, eighteen million, one hundred one thousand, nine hundred sixty-eight".