61203665070 has 256 divisors, whose sum is σ = 178474752000. Its totient is φ = 14870946816.

The previous prime is 61203665011. The next prime is 61203665129. The reversal of 61203665070 is 7056630216.

61203665070 is a `hidden beast` number, since 612 + 0 + 36 + 6 + 5 + 0 + 7 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (61203665011) and next prime (61203665129).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16891279 + ... + 16894901.

It is an arithmetic number, because the mean of its divisors is an integer number (697167000).

Almost surely, 2^61203665070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61203665070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89237376000).

61203665070 is an abundant number, since it is smaller than the sum of its proper divisors (117271086930).

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

61203665070 is a wasteful number, since it uses less digits than its factorization.

61203665070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784 (or 3778 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 61203665070 in words is "sixty-one billion, two hundred three million, six hundred sixty-five thousand, seventy".