154985473216 has 56 divisors (see below), whose sum is σ = 351523625120. Its totient is φ = 66415030272.

The previous prime is 154985473187. The next prime is 154985473217. The reversal of 154985473216 is 612374589451.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (154985473217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6676606 + ... + 6699778.

Almost surely, 2^154985473216 is an apocalyptic number.

154985473216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

154985473216 is an abundant number, since it is smaller than the sum of its proper divisors (196538151904).

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

154985473216 is a wasteful number, since it uses less digits than its factorization.

154985473216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38121 (or 38111 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 55.

The spelling of 154985473216 in words is "one hundred fifty-four billion, nine hundred eighty-five million, four hundred seventy-three thousand, two hundred sixteen".