1068616461 has 24 divisors (see below), whose sum is σ = 1581687072. Its totient is φ = 641212000.

The previous prime is 1068616457. The next prime is 1068616513. The reversal of 1068616461 is 1646168601.

It is not a de Polignac number, because 1068616461 - 2² = 1068616457 is a prime.

It is a super-2 number, since 2×1068616461² = 2283882281440329042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068616421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22090 + ... + 51236.

It is an arithmetic number, because the mean of its divisors is an integer number (65903628).

Almost surely, 2^1068616461 is an apocalyptic number.

1068616461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1068616461 is a deficient number, since it is larger than the sum of its proper divisors (513070611).

1068616461 is a wasteful number, since it uses less digits than its factorization.

1068616461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29273 (or 29262 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1068616461 is about 32689.6996162400. The cubic root of 1068616461 is about 1022.3680916552.

The spelling of 1068616461 in words is "one billion, sixty-eight million, six hundred sixteen thousand, four hundred sixty-one".