5420630661 has 8 divisors (see below), whose sum is σ = 7227993984. Its totient is φ = 3613510560.

The previous prime is 5420630653. The next prime is 5420630701. The reversal of 5420630661 is 1660360245.

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

It is not a de Polignac number, because 5420630661 - 2³ = 5420630653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420630641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160 + ... + 104121.

It is an arithmetic number, because the mean of its divisors is an integer number (903499248).

Almost surely, 2^5420630661 is an apocalyptic number.

It is an amenable number.

5420630661 is a deficient number, since it is larger than the sum of its proper divisors (1807363323).

5420630661 is a wasteful number, since it uses less digits than its factorization.

5420630661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121611.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 5420630661 is about 73624.9323327363. The cubic root of 5420630661 is about 1756.6420413853.

The spelling of 5420630661 in words is "five billion, four hundred twenty million, six hundred thirty thousand, six hundred sixty-one".