1968662201955 has 32 divisors (see below), whose sum is σ = 3162746539008. Its totient is φ = 1045658400000.

The previous prime is 1968662201939. The next prime is 1968662201983. The reversal of 1968662201955 is 5591022668691.

It is not a de Polignac number, because 1968662201955 - 2⁴ = 1968662201939 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44770230 + ... + 44814180.

It is an arithmetic number, because the mean of its divisors is an integer number (98835829344).

Almost surely, 2^{1968662201955} is an apocalyptic number.

1968662201955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1968662201955 is a deficient number, since it is larger than the sum of its proper divisors (1194084337053).

1968662201955 is a wasteful number, since it uses less digits than its factorization.

1968662201955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56107.

The product of its (nonzero) digits is 13996800, while the sum is 60.

The spelling of 1968662201955 in words is "one trillion, nine hundred sixty-eight billion, six hundred sixty-two million, two hundred one thousand, nine hundred fifty-five".