1067198011890 has 32 divisors (see below), whose sum is σ = 2561453556480. Its totient is φ = 284566322304.

The previous prime is 1067198011877. The next prime is 1067198011927. The reversal of 1067198011890 is 981108917601.

It is a happy number.

It is a super-2 number, since 2×1067198011890² (a number of 25 digits) contains 22 as substring.

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, 797755 + ... + 1664574.

It is an arithmetic number, because the mean of its divisors is an integer number (80045423640).

Almost surely, 2^{1067198011890} is an apocalyptic number.

1067198011890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1067198011890 is an abundant number, since it is smaller than the sum of its proper divisors (1494255544590).

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

1067198011890 is a wasteful number, since it uses less digits than its factorization.

1067198011890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476786.

The product of its (nonzero) digits is 217728, while the sum is 51.

The spelling of 1067198011890 in words is "one trillion, sixty-seven billion, one hundred ninety-eight million, eleven thousand, eight hundred ninety".