61351716 has 24 divisors (see below), whose sum is σ = 144968320. Its totient is φ = 20191392.

The previous prime is 61351711. The next prime is 61351727. The reversal of 61351716 is 61715316.

It is a super-2 number, since 2×61351716² = 7528066112289312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61351711) 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, 31411 + ... + 33306.

Almost surely, 2^61351716 is an apocalyptic number.

It is an amenable number.

61351716 is an abundant number, since it is smaller than the sum of its proper divisors (83616604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61351716 is a wasteful number, since it uses less digits than its factorization.

61351716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64803 (or 64801 counting only the distinct ones).

The product of its digits is 3780, while the sum is 30.

The square root of 61351716 is about 7832.7336224335. The cubic root of 61351716 is about 394.4048421054.

The spelling of 61351716 in words is "sixty-one million, three hundred fifty-one thousand, seven hundred sixteen".