1068602155 has 4 divisors (see below), whose sum is σ = 1282322592. Its totient is φ = 854881720.

The previous prime is 1068602153. The next prime is 1068602173. The reversal of 1068602155 is 5512068601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1068602155 - 2¹ = 1068602153 is a prime.

It is a super-2 number, since 2×1068602155² = 2283821131341288050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1068602155.

It is not an unprimeable number, because it can be changed into a prime (1068602153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106860211 + ... + 106860220.

It is an arithmetic number, because the mean of its divisors is an integer number (320580648).

Almost surely, 2^1068602155 is an apocalyptic number.

1068602155 is a deficient number, since it is larger than the sum of its proper divisors (213720437).

1068602155 is an equidigital number, since it uses as much as digits as its factorization.

1068602155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213720436.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 1068602155 is about 32689.4808004043. The cubic root of 1068602155 is about 1022.3635293501.

The spelling of 1068602155 in words is "one billion, sixty-eight million, six hundred two thousand, one hundred fifty-five".