268996097555 has 16 divisors (see below), whose sum is σ = 340198509600. Its totient is φ = 203622347520.

The previous prime is 268996097549. The next prime is 268996097561. The reversal of 268996097555 is 555790699862.

It is an interprime number because it is at equal distance from previous prime (268996097549) and next prime (268996097561).

It is not a de Polignac number, because 268996097555 - 2³⁰ = 267922355731 is a prime.

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, 1646450 + ... + 1802439.

It is an arithmetic number, because the mean of its divisors is an integer number (21262406850).

Almost surely, 2^268996097555 is an apocalyptic number.

268996097555 is a deficient number, since it is larger than the sum of its proper divisors (71202412045).

268996097555 is a wasteful number, since it uses less digits than its factorization.

268996097555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449734.

The product of its (nonzero) digits is 367416000, while the sum is 71.

The spelling of 268996097555 in words is "two hundred sixty-eight billion, nine hundred ninety-six million, ninety-seven thousand, five hundred fifty-five".