6136401655 has 4 divisors (see below), whose sum is σ = 7363681992. Its totient is φ = 4909121320.

The previous prime is 6136401631. The next prime is 6136401701. The reversal of 6136401655 is 5561046316.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6136401655 - 2⁹ = 6136401143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613640161 + ... + 613640170.

It is an arithmetic number, because the mean of its divisors is an integer number (1840920498).

Almost surely, 2^6136401655 is an apocalyptic number.

6136401655 is a deficient number, since it is larger than the sum of its proper divisors (1227280337).

6136401655 is a wasteful number, since it uses less digits than its factorization.

6136401655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227280336.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 6136401655 is about 78335.1878468419. The cubic root of 6136401655 is about 1830.7874476501.

The spelling of 6136401655 in words is "six billion, one hundred thirty-six million, four hundred one thousand, six hundred fifty-five".