151634156550 has 192 divisors, whose sum is σ = 394329047040. Its totient is φ = 38529761920.

The previous prime is 151634156497. The next prime is 151634156561. The reversal of 151634156550 is 55651436151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44504947 + ... + 44508353.

It is an arithmetic number, because the mean of its divisors is an integer number (2053797120).

Almost surely, 2^151634156550 is an apocalyptic number.

151634156550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 151634156550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197164523520).

151634156550 is an abundant number, since it is smaller than the sum of its proper divisors (242694890490).

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

151634156550 is a wasteful number, since it uses less digits than its factorization.

151634156550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635 (or 3630 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 151634156550 in words is "one hundred fifty-one billion, six hundred thirty-four million, one hundred fifty-six thousand, five hundred fifty".