61199670336 has 672 divisors, whose sum is σ = 211351928832. Its totient is φ = 15498362880.

The previous prime is 61199670317. The next prime is 61199670361. The reversal of 61199670336 is 63307699116.

61199670336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 467172991 + ... + 467173121.

Almost surely, 2^61199670336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61199670336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105675964416).

61199670336 is an abundant number, since it is smaller than the sum of its proper divisors (150152258496).

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

61199670336 is a wasteful number, since it uses less digits than its factorization.

61199670336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 51.

The spelling of 61199670336 in words is "sixty-one billion, one hundred ninety-nine million, six hundred seventy thousand, three hundred thirty-six".