672016154 has 16 divisors (see below), whose sum is σ = 1068458688. Its totient is φ = 315905472.

The previous prime is 672016153. The next prime is 672016201. The reversal of 672016154 is 451610276.

It is a super-2 number, since 2×672016154² = 903211422473903432, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 672016154.

It is not an unprimeable number, because it can be changed into a prime (672016151) 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, 23369 + ... + 43475.

It is an arithmetic number, because the mean of its divisors is an integer number (66778668).

Almost surely, 2^672016154 is an apocalyptic number.

672016154 is a deficient number, since it is larger than the sum of its proper divisors (396442534).

672016154 is a wasteful number, since it uses less digits than its factorization.

672016154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21109.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 672016154 is about 25923.2743687984. The cubic root of 672016154 is about 875.9108464483.

The spelling of 672016154 in words is "six hundred seventy-two million, sixteen thousand, one hundred fifty-four".