151661543100 has 36 divisors (see below), whose sum is σ = 438807398904. Its totient is φ = 40443078080.

The previous prime is 151661543053. The next prime is 151661543113. The reversal of 151661543100 is 1345166151.

It is a super-2 number, since 2×151661543100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252768939 + ... + 252769538.

It is an arithmetic number, because the mean of its divisors is an integer number (12189094414).

Almost surely, 2^151661543100 is an apocalyptic number.

151661543100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151661543100 is an abundant number, since it is smaller than the sum of its proper divisors (287145855804).

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

151661543100 is a wasteful number, since it uses less digits than its factorization.

151661543100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505538494 (or 505538487 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 151661543100 in words is "one hundred fifty-one billion, six hundred sixty-one million, five hundred forty-three thousand, one hundred".