146078961870 has 32 divisors (see below), whose sum is σ = 371212422048. Its totient is φ = 36662955008.

The previous prime is 146078961859. The next prime is 146078961943. The reversal of 146078961870 is 78169870641.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 146078961870.

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, 143214159 + ... + 143215178.

It is an arithmetic number, because the mean of its divisors is an integer number (11600388189).

Almost surely, 2^146078961870 is an apocalyptic number.

146078961870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146078961870 is an abundant number, since it is smaller than the sum of its proper divisors (225133460178).

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

146078961870 is a wasteful number, since it uses less digits than its factorization.

146078961870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286429364.

The product of its (nonzero) digits is 4064256, while the sum is 57.

The spelling of 146078961870 in words is "one hundred forty-six billion, seventy-eight million, nine hundred sixty-one thousand, eight hundred seventy".