1953168655 has 8 divisors (see below), whose sum is σ = 2375909712. Its totient is φ = 1541130048.

The previous prime is 1953168653. The next prime is 1953168677. The reversal of 1953168655 is 5568613591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1953168655 - 2¹ = 1953168653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1953168599 and 1953168608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1953168653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2675209 + ... + 2675938.

It is an arithmetic number, because the mean of its divisors is an integer number (296988714).

Almost surely, 2^1953168655 is an apocalyptic number.

1953168655 is a deficient number, since it is larger than the sum of its proper divisors (422741057).

1953168655 is an equidigital number, since it uses as much as digits as its factorization.

1953168655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5351225.

The product of its digits is 972000, while the sum is 49.

The square root of 1953168655 is about 44194.6677213439. The cubic root of 1953168655 is about 1250.0093129973.

The spelling of 1953168655 in words is "one billion, nine hundred fifty-three million, one hundred sixty-eight thousand, six hundred fifty-five".