61101570670 has 32 divisors (see below), whose sum is σ = 128259864000. Its totient is φ = 20949108768.

The previous prime is 61101570643. The next prime is 61101570671. The reversal of 61101570670 is 7607510116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61101570671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8903505 + ... + 8910364.

It is an arithmetic number, because the mean of its divisors is an integer number (4008120750).

Almost surely, 2^61101570670 is an apocalyptic number.

61101570670 is an abundant number, since it is smaller than the sum of its proper divisors (67158293330).

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

61101570670 is a wasteful number, since it uses less digits than its factorization.

61101570670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17813897 (or 17813883 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 34.

The spelling of 61101570670 in words is "sixty-one billion, one hundred one million, five hundred seventy thousand, six hundred seventy".