151640661270 has 32 divisors (see below), whose sum is σ = 415928671488. Its totient is φ = 34660722528.

The previous prime is 151640661229. The next prime is 151640661307. The reversal of 151640661270 is 72166046151.

151640661270 is digitally balanced in base 3 and base 7, because in such bases it contains all the possibile digits an equal number of times.

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, 361048984 + ... + 361049403.

It is an arithmetic number, because the mean of its divisors is an integer number (12997770984).

Almost surely, 2^151640661270 is an apocalyptic number.

151640661270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151640661270 is an abundant number, since it is smaller than the sum of its proper divisors (264288010218).

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

151640661270 is a wasteful number, since it uses less digits than its factorization.

151640661270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722098404.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 151640661270 in words is "one hundred fifty-one billion, six hundred forty million, six hundred sixty-one thousand, two hundred seventy".