61010300691 has 12 divisors (see below), whose sum is σ = 88128831960. Its totient is φ = 40672222080.

The previous prime is 61010300669. The next prime is 61010300699. The reversal of 61010300691 is 19600301016.

61010300691 is a `hidden beast` number, since 610 + 10 + 30 + 0 + 6 + 9 + 1 = 666.

It is not a de Polignac number, because 61010300691 - 2²² = 61006106387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61010300699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246076 + ... + 427286.

It is an arithmetic number, because the mean of its divisors is an integer number (7344069330).

Almost surely, 2^61010300691 is an apocalyptic number.

61010300691 is a deficient number, since it is larger than the sum of its proper divisors (27118531269).

61010300691 is a wasteful number, since it uses less digits than its factorization.

61010300691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218626 (or 218623 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The spelling of 61010300691 in words is "sixty-one billion, ten million, three hundred thousand, six hundred ninety-one".