1068400157 has 8 divisors (see below), whose sum is σ = 1182924192. Its totient is φ = 956775600.

The previous prime is 1068400127. The next prime is 1068400159. The reversal of 1068400157 is 7510048601.

It is a happy number.

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

It is not a de Polignac number, because 1068400157 - 2⁶ = 1068400093 is a prime.

It is a super-2 number, since 2×1068400157² = 2282957790955249298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068400159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724094 + ... + 725567.

It is an arithmetic number, because the mean of its divisors is an integer number (147865524).

Almost surely, 2^1068400157 is an apocalyptic number.

It is an amenable number.

1068400157 is a deficient number, since it is larger than the sum of its proper divisors (114524035).

1068400157 is a wasteful number, since it uses less digits than its factorization.

1068400157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449739.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 1068400157 is about 32686.3910060441. The cubic root of 1068400157 is about 1022.2991061217.

Adding to 1068400157 its reverse (7510048601), we get a palindrome (8578448758).

The spelling of 1068400157 in words is "one billion, sixty-eight million, four hundred thousand, one hundred fifty-seven".