154214721670 has 32 divisors (see below), whose sum is σ = 278097390720. Its totient is φ = 61572466560.

The previous prime is 154214721641. The next prime is 154214721691. The reversal of 154214721670 is 76127412451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13667091 + ... + 13678369.

It is an arithmetic number, because the mean of its divisors is an integer number (8690543460).

Almost surely, 2^154214721670 is an apocalyptic number.

154214721670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154214721670 is a deficient number, since it is larger than the sum of its proper divisors (123882669050).

154214721670 is a wasteful number, since it uses less digits than its factorization.

154214721670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13680.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 154214721670 in words is "one hundred fifty-four billion, two hundred fourteen million, seven hundred twenty-one thousand, six hundred seventy".