5601216381 has 8 divisors (see below), whose sum is σ = 7792996800. Its totient is φ = 3571790112.

The previous prime is 5601216349. The next prime is 5601216409. The reversal of 5601216381 is 1836121065.

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

It is not a de Polignac number, because 5601216381 - 2⁵ = 5601216349 is a prime.

It is a super-2 number, since 2×5601216381² = 62747249893565474322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5601216301) 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, 40588456 + ... + 40588593.

It is an arithmetic number, because the mean of its divisors is an integer number (974124600).

Almost surely, 2^5601216381 is an apocalyptic number.

It is an amenable number.

5601216381 is a deficient number, since it is larger than the sum of its proper divisors (2191780419).

5601216381 is a wasteful number, since it uses less digits than its factorization.

5601216381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81177075.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 5601216381 is about 74841.2745816104. The cubic root of 5601216381 is about 1775.9365691244.

The spelling of 5601216381 in words is "five billion, six hundred one million, two hundred sixteen thousand, three hundred eighty-one".