100605661154 has 16 divisors (see below), whose sum is σ = 154381949568. Its totient is φ = 49148659152.

The previous prime is 100605661147. The next prime is 100605661157. The reversal of 100605661154 is 451166506001.

It is a super-2 number, since 2×100605661154² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100605661157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856469 + ... + 966824.

It is an arithmetic number, because the mean of its divisors is an integer number (9648871848).

Almost surely, 2^100605661154 is an apocalyptic number.

100605661154 is a deficient number, since it is larger than the sum of its proper divisors (53776288414).

100605661154 is a wasteful number, since it uses less digits than its factorization.

100605661154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823929.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 100605661154 in words is "one hundred billion, six hundred five million, six hundred sixty-one thousand, one hundred fifty-four".