1167198401154 has 16 divisors (see below), whose sum is σ = 2335350814848. Its totient is φ = 388907131632.

The previous prime is 1167198401107. The next prime is 1167198401189. The reversal of 1167198401154 is 4511048917611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39734617 + ... + 39763980.

It is an arithmetic number, because the mean of its divisors is an integer number (145959425928).

Almost surely, 2^{1167198401154} is an apocalyptic number.

1167198401154 is an abundant number, since it is smaller than the sum of its proper divisors (1168152413694).

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

1167198401154 is a wasteful number, since it uses less digits than its factorization.

1167198401154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79501049.

The product of its (nonzero) digits is 241920, while the sum is 48.

The spelling of 1167198401154 in words is "one trillion, one hundred sixty-seven billion, one hundred ninety-eight million, four hundred one thousand, one hundred fifty-four".