61653067340 has 24 divisors (see below), whose sum is σ = 137087409312. Its totient is φ = 23210566400.

The previous prime is 61653067327. The next prime is 61653067367. The reversal of 61653067340 is 4376035616.

It is a super-2 number, since 2×61653067340² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 90665936 + ... + 90666615.

It is an arithmetic number, because the mean of its divisors is an integer number (5711975388).

Almost surely, 2^61653067340 is an apocalyptic number.

It is an amenable number.

61653067340 is an abundant number, since it is smaller than the sum of its proper divisors (75434341972).

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

61653067340 is a wasteful number, since it uses less digits than its factorization.

61653067340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181332577 (or 181332575 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 61653067340 in words is "sixty-one billion, six hundred fifty-three million, sixty-seven thousand, three hundred forty".