5401668461 has 8 divisors (see below), whose sum is σ = 6177060864. Its totient is φ = 4627207440.

The previous prime is 5401668457. The next prime is 5401668491. The reversal of 5401668461 is 1648661045.

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

It is a cyclic number.

It is not a de Polignac number, because 5401668461 - 2² = 5401668457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401668491) 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, 220370 + ... + 243651.

It is an arithmetic number, because the mean of its divisors is an integer number (772132608).

Almost surely, 2^5401668461 is an apocalyptic number.

It is an amenable number.

5401668461 is a deficient number, since it is larger than the sum of its proper divisors (775392403).

5401668461 is a wasteful number, since it uses less digits than its factorization.

5401668461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465691.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 5401668461 is about 73496.0438459105. The cubic root of 5401668461 is about 1754.5913135644.

The spelling of 5401668461 in words is "five billion, four hundred one million, six hundred sixty-eight thousand, four hundred sixty-one".