99730365995061 has 48 divisors (see below), whose sum is σ = 151774017071040. Its totient is φ = 62930625753600.

The previous prime is 99730365995009. The next prime is 99730365995083. The reversal of 99730365995061 is 16059956303799.

99730365995061 is a `hidden beast` number, since 9 + 9 + 7 + 30 + 36 + 59 + 9 + 506 + 1 = 666.

It is not a de Polignac number, because 99730365995061 - 2¹³ = 99730365986869 is a prime.

It is a super-2 number, since 2×99730365995061² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99730365990061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1276901911 + ... + 1276980011.

It is an arithmetic number, because the mean of its divisors is an integer number (3161958688980).

Almost surely, 2^{99730365995061} is an apocalyptic number.

It is an amenable number.

99730365995061 is a deficient number, since it is larger than the sum of its proper divisors (52043651075979).

99730365995061 is a wasteful number, since it uses less digits than its factorization.

99730365995061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84786 (or 84783 counting only the distinct ones).

The product of its (nonzero) digits is 372008700, while the sum is 72.

The spelling of 99730365995061 in words is "ninety-nine trillion, seven hundred thirty billion, three hundred sixty-five million, nine hundred ninety-five thousand, sixty-one".