1550157696 has 128 divisors (see below), whose sum is σ = 4621456800. Its totient is φ = 511488000.

The previous prime is 1550157689. The next prime is 1550157743. The reversal of 1550157696 is 6967510551.

1550157696 is a `hidden beast` number, since 1 + 5 + 501 + 57 + 6 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346836 + ... + 351276.

Almost surely, 2^1550157696 is an apocalyptic number.

1550157696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1550157696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2310728400).

1550157696 is an abundant number, since it is smaller than the sum of its proper divisors (3071299104).

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

1550157696 is a wasteful number, since it uses less digits than its factorization.

1550157696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565 (or 4547 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 45.

The square root of 1550157696 is about 39372.0420603250. The cubic root of 1550157696 is about 1157.3337733982. Note that the first 3 decimals are identical.

The spelling of 1550157696 in words is "one billion, five hundred fifty million, one hundred fifty-seven thousand, six hundred ninety-six".