5401660455 has 12 divisors (see below), whose sum is σ = 9362878200. Its totient is φ = 2880885552.

The previous prime is 5401660417. The next prime is 5401660457. The reversal of 5401660455 is 5540661045.

5401660455 is a `hidden beast` number, since 5 + 40 + 1 + 6 + 604 + 5 + 5 = 666.

It is not a de Polignac number, because 5401660455 - 2⁶ = 5401660391 is a prime.

It is a super-2 number, since 2×5401660455² = 58355871342221614050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401660457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60018405 + ... + 60018494.

It is an arithmetic number, because the mean of its divisors is an integer number (780239850).

Almost surely, 2^5401660455 is an apocalyptic number.

5401660455 is a deficient number, since it is larger than the sum of its proper divisors (3961217745).

5401660455 is a wasteful number, since it uses less digits than its factorization.

5401660455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120036910 (or 120036907 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 5401660455 is about 73495.9893803737. The cubic root of 5401660455 is about 1754.5904467171.

It can be divided in two parts, 5401 and 660455, that added together give a square (665856 = 816²).

The spelling of 5401660455 in words is "five billion, four hundred one million, six hundred sixty thousand, four hundred fifty-five".