1368623670 has 32 divisors (see below), whose sum is σ = 3286787328. Its totient is φ = 364734048.

The previous prime is 1368623657. The next prime is 1368623677. The reversal of 1368623670 is 763268631.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368623677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36327 + ... + 63693.

It is an arithmetic number, because the mean of its divisors is an integer number (102712104).

Almost surely, 2^1368623670 is an apocalyptic number.

1368623670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1368623670 is an abundant number, since it is smaller than the sum of its proper divisors (1918163658).

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

1368623670 is a wasteful number, since it uses less digits than its factorization.

1368623670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29044.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 1368623670 is about 36994.9141099152. The cubic root of 1368623670 is about 1110.2684927972.

The spelling of 1368623670 in words is "one billion, three hundred sixty-eight million, six hundred twenty-three thousand, six hundred seventy".