61146406758 has 8 divisors (see below), whose sum is σ = 122292813528. Its totient is φ = 20382135584.

The previous prime is 61146406757. The next prime is 61146406777. The reversal of 61146406758 is 85760464116.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

61146406758 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61146406757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5095533891 + ... + 5095533902.

It is an arithmetic number, because the mean of its divisors is an integer number (15286601691).

Almost surely, 2^61146406758 is an apocalyptic number.

61146406758 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61146406758 is a wasteful number, since it uses less digits than its factorization.

61146406758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10191067798.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 61146406758 in words is "sixty-one billion, one hundred forty-six million, four hundred six thousand, seven hundred fifty-eight".