61400016051 has 32 divisors (see below), whose sum is σ = 90329907456. Its totient is φ = 36787920000.

The previous prime is 61400015969. The next prime is 61400016053. The reversal of 61400016051 is 15061000416.

It is not a de Polignac number, because 61400016051 - 2¹⁷ = 61399884979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61400016053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2242836 + ... + 2270046.

It is an arithmetic number, because the mean of its divisors is an integer number (2822809608).

Almost surely, 2^61400016051 is an apocalyptic number.

61400016051 is a deficient number, since it is larger than the sum of its proper divisors (28929891405).

61400016051 is a wasteful number, since it uses less digits than its factorization.

61400016051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28003.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 61400016051 its reverse (15061000416), we get a palindrome (76461016467).

The spelling of 61400016051 in words is "sixty-one billion, four hundred million, sixteen thousand, fifty-one".