61023178446 has 32 divisors (see below), whose sum is σ = 131603270400. Its totient is φ = 18800464320.

The previous prime is 61023178439. The next prime is 61023178493. The reversal of 61023178446 is 64487132016.

It is a junction number, because it is equal to n+sod(n) for n = 61023178398 and 61023178407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6523266 + ... + 6532613.

It is an arithmetic number, because the mean of its divisors is an integer number (4112602200).

Almost surely, 2^61023178446 is an apocalyptic number.

61023178446 is an abundant number, since it is smaller than the sum of its proper divisors (70580091954).

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

61023178446 is a wasteful number, since it uses less digits than its factorization.

61023178446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13055944.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 61023178446 in words is "sixty-one billion, twenty-three million, one hundred seventy-eight thousand, four hundred forty-six".