61516322354 has 16 divisors (see below), whose sum is σ = 92657088000. Its totient is φ = 30630687744.

The previous prime is 61516322347. The next prime is 61516322377. The reversal of 61516322354 is 45322361516.

It is a super-2 number, since 2×61516322354² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2371547 + ... + 2397345.

It is an arithmetic number, because the mean of its divisors is an integer number (5791068000).

Almost surely, 2^61516322354 is an apocalyptic number.

61516322354 is a deficient number, since it is larger than the sum of its proper divisors (31140765646).

61516322354 is a wasteful number, since it uses less digits than its factorization.

61516322354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30697.

The product of its digits is 129600, while the sum is 38.

The spelling of 61516322354 in words is "sixty-one billion, five hundred sixteen million, three hundred twenty-two thousand, three hundred fifty-four".